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Cars produced (in thousands) by five plants
| Plant | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|
| Pune | 40 | 45 | 54 | 60 |
| Chennai | 50 | 60 | 66 | 72 |
| Sanand | 30 | 36 | 45 | 48 |
| Hosur | 20 | 25 | 30 | 35 |
| Manesar | 60 | 55 | 70 | 80 |
What was the total production (in thousands) of all five plants in 2022?
Answer: A. 265
Solution
2022 column: 54 + 66 + 45 + 30 + 70 = 265 Answer: 265
Cars produced (in thousands) by five plants
| Plant | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|
| Pune | 40 | 45 | 54 | 60 |
| Chennai | 50 | 60 | 66 | 72 |
| Sanand | 30 | 36 | 45 | 48 |
| Hosur | 20 | 25 | 30 | 35 |
| Manesar | 60 | 55 | 70 | 80 |
Which plant produced the most cars in 2023?
Answer: B. Manesar
Solution
2023 values: Pune 60, Chennai 72, Sanand 48, Hosur 35, Manesar 80. Highest is Manesar. Answer: Manesar
Results of an annual examination in a school
| Class | Boys appeared | Girls appeared | Boys passed | Girls passed |
|---|---|---|---|---|
| VI | 40 | 30 | 30 | 24 |
| VII | 50 | 40 | 40 | 30 |
| VIII | 60 | 50 | 54 | 45 |
| IX | 45 | 35 | 36 | 28 |
| X | 55 | 45 | 44 | 36 |
How many students appeared in Class VIII in all?
Answer: B. 110
Solution
Class VIII: boys 60 + girls 50 = 110 Answer: 110
Results of an annual examination in a school
| Class | Boys appeared | Girls appeared | Boys passed | Girls passed |
|---|---|---|---|---|
| VI | 40 | 30 | 30 | 24 |
| VII | 50 | 40 | 40 | 30 |
| VIII | 60 | 50 | 54 | 45 |
| IX | 45 | 35 | 36 | 28 |
| X | 55 | 45 | 44 | 36 |
What is the pass percentage of boys in Class X?
Answer: C. 80%
Solution
Boys passed 44 out of 55 44 / 55 x 100 = 80% Answer: 80%
Employee details of a company
| Department | Employees | Average monthly salary (₹ thousand) | Attrition (%) |
|---|---|---|---|
| IT | 120 | 60 | 10 |
| HR | 40 | 45 | 5 |
| Finance | 60 | 55 | 15 |
| Sales | 100 | 40 | 20 |
| Operations | 80 | 35 | 25 |
What is the total number of employees in the company?
Answer: C. 400
Solution
120 + 40 + 60 + 100 + 80 = 400 Answer: 400
Employee details of a company
| Department | Employees | Average monthly salary (₹ thousand) | Attrition (%) |
|---|---|---|---|
| IT | 120 | 60 | 10 |
| HR | 40 | 45 | 5 |
| Finance | 60 | 55 | 15 |
| Sales | 100 | 40 | 20 |
| Operations | 80 | 35 | 25 |
How many employees left the Sales department?
Answer: D. 20
Solution
Attrition 20% of 100 = 20 Answer: 20
Sales of a stationery shop
| Item | Price per unit (₹) | Units sold in Q1 | Units sold in Q2 |
|---|---|---|---|
| Pen | 10 | 400 | 500 |
| Notebook | 40 | 250 | 300 |
| Bag | 500 | 60 | 75 |
| Calculator | 300 | 50 | 45 |
| Geometry box | 80 | 120 | 150 |
What was the revenue from bags in Q2?
Answer: D. ₹37,500
Solution
Revenue = 75 x ₹500 = ₹37,500 Answer: ₹37,500
Sales of a stationery shop
| Item | Price per unit (₹) | Units sold in Q1 | Units sold in Q2 |
|---|---|---|---|
| Pen | 10 | 400 | 500 |
| Notebook | 40 | 250 | 300 |
| Bag | 500 | 60 | 75 |
| Calculator | 300 | 50 | 45 |
| Geometry box | 80 | 120 | 150 |
By what percent did the units of calculators sold fall from Q1 to Q2?
Answer: A. 10%
Solution
Fall = 50 - 45 = 5 5 / 50 x 100 = 10% Answer: 10%
Population details of five states
| State | Population (lakh) | Literacy rate (%) | Males (% of population) |
|---|---|---|---|
| A | 200 | 80 | 52 |
| B | 150 | 70 | 50 |
| C | 300 | 60 | 55 |
| D | 250 | 84 | 48 |
| E | 100 | 90 | 51 |
How many literate people (in lakh) are there in State A?
Answer: A. 160
Solution
Literate = 80% of 200 = 160 lakh Answer: 160
Population details of five states
| State | Population (lakh) | Literacy rate (%) | Males (% of population) |
|---|---|---|---|
| A | 200 | 80 | 52 |
| B | 150 | 70 | 50 |
| C | 300 | 60 | 55 |
| D | 250 | 84 | 48 |
| E | 100 | 90 | 51 |
How many males (in lakh) are there in State C?
Answer: B. 165
Solution
Males = 55% of 300 = 165 lakh Answer: 165
Batting record of five cricketers (batting average = runs / (innings - not outs))
| Batter | Innings | Not outs | Runs |
|---|---|---|---|
| Arjun | 40 | 5 | 1400 |
| Bharat | 30 | 3 | 810 |
| Chetan | 50 | 10 | 1800 |
| Dev | 36 | 0 | 1368 |
| Eshan | 45 | 9 | 1260 |
What is Arjun's batting average?
Answer: B. 40
Solution
Dismissals = 40 - 5 = 35 Average = 1400 / 35 = 40 Answer: 40
Batting record of five cricketers (batting average = runs / (innings - not outs))
| Batter | Innings | Not outs | Runs |
|---|---|---|---|
| Arjun | 40 | 5 | 1400 |
| Bharat | 30 | 3 | 810 |
| Chetan | 50 | 10 | 1800 |
| Dev | 36 | 0 | 1368 |
| Eshan | 45 | 9 | 1260 |
How many runs did the five batters score in total?
Answer: C. 6,638
Solution
1400 + 810 + 1800 + 1368 + 1260 = 6,638 Answer: 6,638
Monthly income of each family is fully split into the items below
| Item | Family A (₹) | Family B (₹) | Family C (₹) |
|---|---|---|---|
| Rent | 12000 | 10000 | 8000 |
| Food | 9000 | 8000 | 7000 |
| Education | 6000 | 4000 | 5000 |
| Transport | 3000 | 2500 | 2000 |
| Savings | 10000 | 5500 | 3000 |
What is the total monthly amount spent on education by the three families?
Answer: C. ₹15,000
Solution
6,000 + 4,000 + 5,000 = ₹15,000 Answer: ₹15,000
Monthly income of each family is fully split into the items below
| Item | Family A (₹) | Family B (₹) | Family C (₹) |
|---|---|---|---|
| Rent | 12000 | 10000 | 8000 |
| Food | 9000 | 8000 | 7000 |
| Education | 6000 | 4000 | 5000 |
| Transport | 3000 | 2500 | 2000 |
| Savings | 10000 | 5500 | 3000 |
Family A spends what percent of its monthly income on rent?
Answer: D. 30%
Solution
Income of A = 12,000 + 9,000 + 6,000 + 3,000 + 10,000 = ₹40,000 Rent % = 12,000 / 40,000 x 100 = 30% Answer: 30%
Details of five trains
| Train | Distance (km) | Time (hours) | Fare (₹) |
|---|---|---|---|
| T1 | 300 | 5 | 450 |
| T2 | 450 | 6 | 540 |
| T3 | 240 | 4 | 384 |
| T4 | 600 | 8 | 750 |
| T5 | 360 | 6 | 540 |
What is the average speed of train T2 (km/h)?
Answer: D. 75
Solution
Speed = distance / time = 450 / 6 = 75 km/h Answer: 75
Details of five trains
| Train | Distance (km) | Time (hours) | Fare (₹) |
|---|---|---|---|
| T1 | 300 | 5 | 450 |
| T2 | 450 | 6 | 540 |
| T3 | 240 | 4 | 384 |
| T4 | 600 | 8 | 750 |
| T5 | 360 | 6 | 540 |
What is the fare per km of train T1?
Answer: A. ₹1.50
Solution
Fare per km = 450 / 300 = ₹1.50 Answer: ₹1.50
Marks obtained by five students (maximum 100 in each subject)
| Student | English | Maths | Science | Social |
|---|---|---|---|---|
| Asha | 80 | 90 | 70 | 85 |
| Ravi | 70 | 60 | 90 | 80 |
| Meena | 90 | 85 | 95 | 70 |
| Karan | 60 | 75 | 65 | 55 |
| Divya | 85 | 80 | 75 | 90 |
What is Meena's percentage of marks in the four subjects?
Answer: A. 85%
Solution
Total = 90 + 85 + 95 + 70 = 340 out of 400 340 / 400 x 100 = 85% Answer: 85%
Marks obtained by five students (maximum 100 in each subject)
| Student | English | Maths | Science | Social |
|---|---|---|---|---|
| Asha | 80 | 90 | 70 | 85 |
| Ravi | 70 | 60 | 90 | 80 |
| Meena | 90 | 85 | 95 | 70 |
| Karan | 60 | 75 | 65 | 55 |
| Divya | 85 | 80 | 75 | 90 |
What is the average mark in Maths of the five students?
Answer: B. 78
Solution
Maths: 90 + 60 + 85 + 75 + 80 = 390 390 / 5 = 78 Answer: 78
Deposits and loans of five bank branches
| Branch | Deposits 2021 (₹ crore) | Deposits 2022 (₹ crore) | Loans 2022 (₹ crore) |
|---|---|---|---|
| A | 120 | 150 | 90 |
| B | 200 | 240 | 180 |
| C | 80 | 100 | 70 |
| D | 160 | 192 | 150 |
| E | 50 | 65 | 40 |
What were the total deposits of the five branches in 2022 (₹ crore)?
Answer: B. 747
Solution
150 + 240 + 100 + 192 + 65 = 747 Answer: 747
Deposits and loans of five bank branches
| Branch | Deposits 2021 (₹ crore) | Deposits 2022 (₹ crore) | Loans 2022 (₹ crore) |
|---|---|---|---|
| A | 120 | 150 | 90 |
| B | 200 | 240 | 180 |
| C | 80 | 100 | 70 |
| D | 160 | 192 | 150 |
| E | 50 | 65 | 40 |
By what percent did the deposits of Branch A grow from 2021 to 2022?
Answer: C. 25%
Solution
Growth = 30 on 120 = 30/120 x 100 = 25% Answer: 25%
Cars produced (in thousands) by five plants
| Plant | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|
| Pune | 40 | 45 | 54 | 60 |
| Chennai | 50 | 60 | 66 | 72 |
| Sanand | 30 | 36 | 45 | 48 |
| Hosur | 20 | 25 | 30 | 35 |
| Manesar | 60 | 55 | 70 | 80 |
What is the average yearly production (in thousands) of the Chennai plant over 2020-2023?
Answer: C. 62
Solution
Chennai total = 50 + 60 + 66 + 72 = 248 Average = 248 / 4 = 62 Answer: 62
Cars produced (in thousands) by five plants
| Plant | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|
| Pune | 40 | 45 | 54 | 60 |
| Chennai | 50 | 60 | 66 | 72 |
| Sanand | 30 | 36 | 45 | 48 |
| Hosur | 20 | 25 | 30 | 35 |
| Manesar | 60 | 55 | 70 | 80 |
By what percent did the Pune plant's production increase from 2020 to 2023?
Answer: D. 50%
Solution
Increase = 60 - 40 = 20 Percent increase = 20 / 40 x 100 = 50% Answer: 50%
Results of an annual examination in a school
| Class | Boys appeared | Girls appeared | Boys passed | Girls passed |
|---|---|---|---|---|
| VI | 40 | 30 | 30 | 24 |
| VII | 50 | 40 | 40 | 30 |
| VIII | 60 | 50 | 54 | 45 |
| IX | 45 | 35 | 36 | 28 |
| X | 55 | 45 | 44 | 36 |
In which class is the pass percentage of boys the highest?
Answer: D. VIII
Solution
Boys pass %: VI 30/40 = 75%, VII 40/50 = 80%, VIII 54/60 = 90%, IX 36/45 = 80%, X 44/55 = 80% Highest is Class VIII. Answer: VIII
Results of an annual examination in a school
| Class | Boys appeared | Girls appeared | Boys passed | Girls passed |
|---|---|---|---|---|
| VI | 40 | 30 | 30 | 24 |
| VII | 50 | 40 | 40 | 30 |
| VIII | 60 | 50 | 54 | 45 |
| IX | 45 | 35 | 36 | 28 |
| X | 55 | 45 | 44 | 36 |
What is the overall pass percentage of girls across all five classes?
Answer: A. 81.5%
Solution
Girls appeared = 30 + 40 + 50 + 35 + 45 = 200 Girls passed = 24 + 30 + 45 + 28 + 36 = 163 Pass % = 163 / 200 x 100 = 81.5% Answer: 81.5%
Employee details of a company
| Department | Employees | Average monthly salary (₹ thousand) | Attrition (%) |
|---|---|---|---|
| IT | 120 | 60 | 10 |
| HR | 40 | 45 | 5 |
| Finance | 60 | 55 | 15 |
| Sales | 100 | 40 | 20 |
| Operations | 80 | 35 | 25 |
What is the total monthly salary bill of the IT department?
Answer: A. ₹72,00,000
Solution
Salary bill = 120 x ₹60,000 = ₹72,00,000 Answer: ₹72,00,000
Employee details of a company
| Department | Employees | Average monthly salary (₹ thousand) | Attrition (%) |
|---|---|---|---|
| IT | 120 | 60 | 10 |
| HR | 40 | 45 | 5 |
| Finance | 60 | 55 | 15 |
| Sales | 100 | 40 | 20 |
| Operations | 80 | 35 | 25 |
What is the average monthly salary of an employee of the whole company?
Answer: B. ₹47,750
Solution
Total salary = 120x60 + 40x45 + 60x55 + 100x40 + 80x35 = 7200 + 1800 + 3300 + 4000 + 2800 = 19,100 (thousand) Average = 19,100 / 400 = 47.75 thousand = ₹47,750 Answer: ₹47,750
Sales of a stationery shop
| Item | Price per unit (₹) | Units sold in Q1 | Units sold in Q2 |
|---|---|---|---|
| Pen | 10 | 400 | 500 |
| Notebook | 40 | 250 | 300 |
| Bag | 500 | 60 | 75 |
| Calculator | 300 | 50 | 45 |
| Geometry box | 80 | 120 | 150 |
What was the total revenue of the shop in Q1?
Answer: B. ₹68,600
Solution
Pen 400x10 = 4,000; Notebook 250x40 = 10,000; Bag 60x500 = 30,000; Calculator 50x300 = 15,000; Geometry box 120x80 = 9,600 Total = ₹68,600 Answer: ₹68,600
Sales of a stationery shop
| Item | Price per unit (₹) | Units sold in Q1 | Units sold in Q2 |
|---|---|---|---|
| Pen | 10 | 400 | 500 |
| Notebook | 40 | 250 | 300 |
| Bag | 500 | 60 | 75 |
| Calculator | 300 | 50 | 45 |
| Geometry box | 80 | 120 | 150 |
Revenue of which item increased by the largest amount from Q1 to Q2?
Answer: C. Bag
Solution
Change in revenue = price x change in units Pen +1,000; Notebook +2,000; Bag +7,500; Calculator -1,500; Geometry box +2,400 Largest is Bag. Answer: Bag
Population details of five states
| State | Population (lakh) | Literacy rate (%) | Males (% of population) |
|---|---|---|---|
| A | 200 | 80 | 52 |
| B | 150 | 70 | 50 |
| C | 300 | 60 | 55 |
| D | 250 | 84 | 48 |
| E | 100 | 90 | 51 |
How many illiterate people (in lakh) are there in State D?
Answer: C. 40
Solution
Illiterate % = 100 - 84 = 16% 16% of 250 = 40 lakh Answer: 40
Population details of five states
| State | Population (lakh) | Literacy rate (%) | Males (% of population) |
|---|---|---|---|
| A | 200 | 80 | 52 |
| B | 150 | 70 | 50 |
| C | 300 | 60 | 55 |
| D | 250 | 84 | 48 |
| E | 100 | 90 | 51 |
Which state has the largest number of illiterate people?
Answer: D. C
Solution
Illiterates (lakh): A 40, B 45, C 120, D 40, E 10 Largest is State C. Answer: C
Batting record of five cricketers (batting average = runs / (innings - not outs))
| Batter | Innings | Not outs | Runs |
|---|---|---|---|
| Arjun | 40 | 5 | 1400 |
| Bharat | 30 | 3 | 810 |
| Chetan | 50 | 10 | 1800 |
| Dev | 36 | 0 | 1368 |
| Eshan | 45 | 9 | 1260 |
Who has the highest batting average?
Answer: D. Chetan
Solution
Averages: Arjun 40, Bharat 810/27 = 30, Chetan 1800/40 = 45, Dev 1368/36 = 38, Eshan 1260/36 = 35 Highest is Chetan. Answer: Chetan
Batting record of five cricketers (batting average = runs / (innings - not outs))
| Batter | Innings | Not outs | Runs |
|---|---|---|---|
| Arjun | 40 | 5 | 1400 |
| Bharat | 30 | 3 | 810 |
| Chetan | 50 | 10 | 1800 |
| Dev | 36 | 0 | 1368 |
| Eshan | 45 | 9 | 1260 |
What are Eshan's runs per innings played (not-outs counted as innings)?
Answer: A. 28
Solution
Runs per innings = 1260 / 45 = 28 (His batting average, using dismissals, is 1260/36 = 35.) Answer: 28
Monthly income of each family is fully split into the items below
| Item | Family A (₹) | Family B (₹) | Family C (₹) |
|---|---|---|---|
| Rent | 12000 | 10000 | 8000 |
| Food | 9000 | 8000 | 7000 |
| Education | 6000 | 4000 | 5000 |
| Transport | 3000 | 2500 | 2000 |
| Savings | 10000 | 5500 | 3000 |
Family C saves what percent of its monthly income?
Answer: A. 12%
Solution
Income of C = 8,000 + 7,000 + 5,000 + 2,000 + 3,000 = ₹25,000 Savings % = 3,000 / 25,000 x 100 = 12% Answer: 12%
Monthly income of each family is fully split into the items below
| Item | Family A (₹) | Family B (₹) | Family C (₹) |
|---|---|---|---|
| Rent | 12000 | 10000 | 8000 |
| Food | 9000 | 8000 | 7000 |
| Education | 6000 | 4000 | 5000 |
| Transport | 3000 | 2500 | 2000 |
| Savings | 10000 | 5500 | 3000 |
What is the ratio of the monthly savings of Family A to those of Family B?
Answer: B. 20 : 11
Solution
Savings A : B = 10,000 : 5,500 Divide both by 500 = 20 : 11 Answer: 20 : 11
Details of five trains
| Train | Distance (km) | Time (hours) | Fare (₹) |
|---|---|---|---|
| T1 | 300 | 5 | 450 |
| T2 | 450 | 6 | 540 |
| T3 | 240 | 4 | 384 |
| T4 | 600 | 8 | 750 |
| T5 | 360 | 6 | 540 |
Which train has the highest fare per km?
Answer: B. T3
Solution
Fare per km: T1 1.50, T2 1.20, T3 384/240 = 1.60, T4 1.25, T5 1.50 Highest is T3. Answer: T3
Details of five trains
| Train | Distance (km) | Time (hours) | Fare (₹) |
|---|---|---|---|
| T1 | 300 | 5 | 450 |
| T2 | 450 | 6 | 540 |
| T3 | 240 | 4 | 384 |
| T4 | 600 | 8 | 750 |
| T5 | 360 | 6 | 540 |
What is the total fare for 4 tickets on train T3?
Answer: C. ₹1,536
Solution
4 x ₹384 = ₹1,536 Answer: ₹1,536
Marks obtained by five students (maximum 100 in each subject)
| Student | English | Maths | Science | Social |
|---|---|---|---|---|
| Asha | 80 | 90 | 70 | 85 |
| Ravi | 70 | 60 | 90 | 80 |
| Meena | 90 | 85 | 95 | 70 |
| Karan | 60 | 75 | 65 | 55 |
| Divya | 85 | 80 | 75 | 90 |
Which student has the highest total marks?
Answer: C. Meena
Solution
Totals: Asha 325, Ravi 300, Meena 340, Karan 255, Divya 330 Highest is Meena. Answer: Meena
Marks obtained by five students (maximum 100 in each subject)
| Student | English | Maths | Science | Social |
|---|---|---|---|---|
| Asha | 80 | 90 | 70 | 85 |
| Ravi | 70 | 60 | 90 | 80 |
| Meena | 90 | 85 | 95 | 70 |
| Karan | 60 | 75 | 65 | 55 |
| Divya | 85 | 80 | 75 | 90 |
What is Karan's overall percentage?
Answer: D. 63.75%
Solution
Total = 60 + 75 + 65 + 55 = 255 out of 400 255 / 400 x 100 = 63.75% Answer: 63.75%
Deposits and loans of five bank branches
| Branch | Deposits 2021 (₹ crore) | Deposits 2022 (₹ crore) | Loans 2022 (₹ crore) |
|---|---|---|---|
| A | 120 | 150 | 90 |
| B | 200 | 240 | 180 |
| C | 80 | 100 | 70 |
| D | 160 | 192 | 150 |
| E | 50 | 65 | 40 |
Which branch had the highest loans-to-deposits ratio in 2022?
Answer: D. D
Solution
Loans / deposits: A 90/150 = 0.60, B 180/240 = 0.75, C 0.70, D 150/192 = 0.781, E 40/65 = 0.615 Highest is D. Answer: D
Deposits and loans of five bank branches
| Branch | Deposits 2021 (₹ crore) | Deposits 2022 (₹ crore) | Loans 2022 (₹ crore) |
|---|---|---|---|
| A | 120 | 150 | 90 |
| B | 200 | 240 | 180 |
| C | 80 | 100 | 70 |
| D | 160 | 192 | 150 |
| E | 50 | 65 | 40 |
If Branch C's deposits grow in 2023 by the same percent as from 2021 to 2022, what will they be in 2023 (₹ crore)?
Answer: A. 125
Solution
Growth of C = 20 on 80 = 25% 2023 deposits = 100 x 1.25 = 125 crore Answer: 125
Cars produced (in thousands) by five plants
| Plant | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|
| Pune | 40 | 45 | 54 | 60 |
| Chennai | 50 | 60 | 66 | 72 |
| Sanand | 30 | 36 | 45 | 48 |
| Hosur | 20 | 25 | 30 | 35 |
| Manesar | 60 | 55 | 70 | 80 |
Which plant recorded the highest percentage growth in production from 2020 to 2023?
Answer: A. Hosur
Solution
Growth % = (2023 - 2020) / 2020 x 100 Pune: 20/40 = 50% Chennai: 22/50 = 44% Sanand: 18/30 = 60% Hosur: 15/20 = 75% Manesar: 20/60 = 33.3% Highest is Hosur. Answer: Hosur
Shortcut: Do not compare absolute rise (Manesar and Chennai look big); compare rise relative to the base year.
Results of an annual examination in a school
| Class | Boys appeared | Girls appeared | Boys passed | Girls passed |
|---|---|---|---|---|
| VI | 40 | 30 | 30 | 24 |
| VII | 50 | 40 | 40 | 30 |
| VIII | 60 | 50 | 54 | 45 |
| IX | 45 | 35 | 36 | 28 |
| X | 55 | 45 | 44 | 36 |
How many students in all five classes together failed?
Answer: B. 83
Solution
Appeared: boys 250 + girls 200 = 450 Passed: boys (30+40+54+36+44) = 204, girls 163, total 367 Failed = 450 - 367 = 83 Answer: 83
Employee details of a company
| Department | Employees | Average monthly salary (₹ thousand) | Attrition (%) |
|---|---|---|---|
| IT | 120 | 60 | 10 |
| HR | 40 | 45 | 5 |
| Finance | 60 | 55 | 15 |
| Sales | 100 | 40 | 20 |
| Operations | 80 | 35 | 25 |
After the attrition, how many employees remain in the company?
Answer: C. 337
Solution
Left: IT 12, HR 2, Finance 9, Sales 20, Operations 20 = 63 Remaining = 400 - 63 = 337 Answer: 337
Sales of a stationery shop
| Item | Price per unit (₹) | Units sold in Q1 | Units sold in Q2 |
|---|---|---|---|
| Pen | 10 | 400 | 500 |
| Notebook | 40 | 250 | 300 |
| Bag | 500 | 60 | 75 |
| Calculator | 300 | 50 | 45 |
| Geometry box | 80 | 120 | 150 |
In Q2, notebooks contributed what percent of the shop's total revenue?
Answer: D. 15%
Solution
Q2 revenue: Pen 5,000; Notebook 12,000; Bag 37,500; Calculator 13,500; Geometry box 12,000 Total = ₹80,000 Notebook share = 12,000 / 80,000 x 100 = 15% Answer: 15%
Population details of five states
| State | Population (lakh) | Literacy rate (%) | Males (% of population) |
|---|---|---|---|
| A | 200 | 80 | 52 |
| B | 150 | 70 | 50 |
| C | 300 | 60 | 55 |
| D | 250 | 84 | 48 |
| E | 100 | 90 | 51 |
What is the overall literacy rate of the five states taken together?
Answer: A. 74.5%
Solution
Literate (lakh): A 160, B 105, C 180, D 210, E 90 = 745 Total population = 1000 lakh Literacy = 745 / 1000 = 74.5% Answer: 74.5% (the simple mean of the rates, 76.8%, is wrong because the populations differ)
Shortcut: Never average percentages of unequal bases; use a weighted average.
Batting record of five cricketers (batting average = runs / (innings - not outs))
| Batter | Innings | Not outs | Runs |
|---|---|---|---|
| Arjun | 40 | 5 | 1400 |
| Bharat | 30 | 3 | 810 |
| Chetan | 50 | 10 | 1800 |
| Dev | 36 | 0 | 1368 |
| Eshan | 45 | 9 | 1260 |
Bharat bats once more and is dismissed. How many runs must he score to raise his batting average to exactly 31?
Answer: B. 58
Solution
Dismissals now = 30 - 3 = 27; after the next innings = 28 Runs needed in total = 31 x 28 = 868 Runs in this innings = 868 - 810 = 58 Answer: 58
Monthly income of each family is fully split into the items below
| Item | Family A (₹) | Family B (₹) | Family C (₹) |
|---|---|---|---|
| Rent | 12000 | 10000 | 8000 |
| Food | 9000 | 8000 | 7000 |
| Education | 6000 | 4000 | 5000 |
| Transport | 3000 | 2500 | 2000 |
| Savings | 10000 | 5500 | 3000 |
If Family A's rent rises by 10% and its food expense falls by 20%, what is its new total spending on the four non-savings items?
Answer: C. ₹29,400
Solution
Old rent 12,000 x 1.10 = 13,200 Old food 9,000 x 0.80 = 7,200 Education 6,000 and transport 3,000 unchanged New total = 13,200 + 7,200 + 6,000 + 3,000 = ₹29,400 Answer: ₹29,400
Details of five trains
| Train | Distance (km) | Time (hours) | Fare (₹) |
|---|---|---|---|
| T1 | 300 | 5 | 450 |
| T2 | 450 | 6 | 540 |
| T3 | 240 | 4 | 384 |
| T4 | 600 | 8 | 750 |
| T5 | 360 | 6 | 540 |
A traveller takes T2 and then immediately T3. What is the average speed for the whole journey (km/h)?
Answer: D. 69
Solution
Total distance = 450 + 240 = 690 km Total time = 6 + 4 = 10 hours Average speed = 690 / 10 = 69 km/h (Averaging 75 and 60 gives 67.5, which is wrong since the times differ.) Answer: 69
Marks obtained by five students (maximum 100 in each subject)
| Student | English | Maths | Science | Social |
|---|---|---|---|---|
| Asha | 80 | 90 | 70 | 85 |
| Ravi | 70 | 60 | 90 | 80 |
| Meena | 90 | 85 | 95 | 70 |
| Karan | 60 | 75 | 65 | 55 |
| Divya | 85 | 80 | 75 | 90 |
How many more marks in total should Ravi have scored to get an overall 80%?
Answer: A. 20
Solution
80% of 400 = 320 Ravi's total = 70 + 60 + 90 + 80 = 300 Extra needed = 320 - 300 = 20 Answer: 20
Deposits and loans of five bank branches
| Branch | Deposits 2021 (₹ crore) | Deposits 2022 (₹ crore) | Loans 2022 (₹ crore) |
|---|---|---|---|
| A | 120 | 150 | 90 |
| B | 200 | 240 | 180 |
| C | 80 | 100 | 70 |
| D | 160 | 192 | 150 |
| E | 50 | 65 | 40 |
The 2022 deposits of Branches A and D together exceed those of Branches B and C together by how much (₹ crore)?
Answer: B. 2
Solution
A + D = 150 + 192 = 342 B + C = 240 + 100 = 340 Difference = 2 crore Answer: 2
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