Letter, number and word codes.
45 solved questions · 15 easy · 20 medium · 10 hard
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In a certain code language, STONE is written as TUPOF. How will TABLE be written in that code?
Answer: A. UBCMF
Solution
S -> T: each letter moves 1 place(s) forward. Apply to TABLE: T->U, A->B, B->C, L->M, E->F Answer: UBCMF
Shortcut: Compare only the first letter of the example to find the shift, then apply it.
In a certain code language, SUGAR is written as UWICT. How will RIVER be written in that code?
Answer: D. TKXGT
Solution
S -> U: each letter moves 2 place(s) forward. Apply to RIVER: R->T, I->K, V->X, E->G, R->T Answer: TKXGT
Shortcut: Compare only the first letter of the example to find the shift, then apply it.
In a certain code language, LIGHT is written as OLJKW. How will MANGO be written in that code?
Answer: C. PDQJR
Solution
L -> O: each letter moves 3 place(s) forward. Apply to MANGO: M->P, A->D, N->Q, G->J, O->R Answer: PDQJR
Shortcut: Compare only the first letter of the example to find the shift, then apply it.
In a certain code language, CLOUD is written as BKNTC. How will WORLD be written in that code?
Answer: B. VNQKC
Solution
C -> B: each letter moves 1 place(s) backward. Apply to WORLD: W->V, O->N, R->Q, L->K, D->C Answer: VNQKC
Shortcut: Compare only the first letter of the example to find the shift, then apply it.
In a certain code language, MONEY is written as KMLCW. How will FLAME be written in that code?
Answer: B. DJYKC
Solution
M -> K: each letter moves 2 place(s) backward. Apply to FLAME: F->D, L->J, A->Y, M->K, E->C Answer: DJYKC
Shortcut: Compare only the first letter of the example to find the shift, then apply it.
In a certain code language, QUEEN is written as UYIIR. How will BRAIN be written in that code?
Answer: A. FVEMR
Solution
Q -> U: each letter moves 4 place(s) forward. Apply to BRAIN: B->F, R->V, A->E, I->M, N->R Answer: FVEMR
Shortcut: Compare only the first letter of the example to find the shift, then apply it.
If each letter of the word is replaced by its opposite letter in the English alphabet (A<->Z, B<->Y, ...), how will PHONE be written?
Answer: D. KSLMV
Solution
Opposite letter = 27 - position (A=1 ... Z=26). P(16)->K(11), H(8)->S(19), O(15)->L(12), N(14)->M(13), E(5)->V(22) Answer: KSLMV
Shortcut: Pairs add up to 27: A-Z, B-Y, C-X, ... M-N.
If each letter of the word is replaced by its opposite letter in the English alphabet (A<->Z, B<->Y, ...), how will TIGER be written?
Answer: C. GRTVI
Solution
Opposite letter = 27 - position (A=1 ... Z=26). T(20)->G(7), I(9)->R(18), G(7)->T(20), E(5)->V(22), R(18)->I(9) Answer: GRTVI
Shortcut: Pairs add up to 27: A-Z, B-Y, C-X, ... M-N.
If A=1, B=2, C=3, ..., Z=26, what is the sum of the values of the letters in the word BAD?
Answer: A. 7
Solution
B=2, A=1, D=4 Sum = 2+1+4 = 7 Answer: 7
If A=1, B=2, C=3, ..., Z=26, what is the sum of the values of the letters in the word FACE?
Answer: D. 15
Solution
F=6, A=1, C=3, E=5 Sum = 6+1+3+5 = 15 Answer: 15
If A=1, B=2, ..., Z=26 and each letter is written as its number (one after another), how is BEAD written?
Answer: C. 2514
Solution
B=2, E=5, A=1, D=4 Write them together: 2514 Answer: 2514
If A=1, B=2, ..., Z=26 and each letter is written as its number (one after another), how is CAGE written?
Answer: B. 3175
Solution
C=3, A=1, G=7, E=5 Write them together: 3175 Answer: 3175
If A=1, B=2, ..., Z=26 and each letter is written as its number (one after another), how is DEAF written?
Answer: B. 4516
Solution
D=4, E=5, A=1, F=6 Write them together: 4516 Answer: 4516
In a certain code, SMART is written as TNBSU. Which word is written as IPVTF in that code?
Answer: A. HOUSE
Solution
S -> T: shift of +1. To decode IPVTF, apply -1 to each letter: I->H, P->O, V->U, T->S, F->E Answer: HOUSE
In a certain code, TIGER is written as RGECP. Which word is written as PGTCP in that code?
Answer: D. RIVER
Solution
T -> R: shift of -2. To decode PGTCP, apply +2 to each letter: P->R, G->I, T->V, C->E, P->R Answer: RIVER
If each letter of the word is replaced by its opposite letter in the English alphabet (A<->Z, B<->Y, ...), how will PLANT be written?
Answer: C. KOZMG
Solution
Opposite letter = 27 - position (A=1 ... Z=26). P(16)->K(11), L(12)->O(15), A(1)->Z(26), N(14)->M(13), T(20)->G(7) Answer: KOZMG
Shortcut: Pairs add up to 27: A-Z, B-Y, C-X, ... M-N.
If each letter of the word is replaced by its opposite letter in the English alphabet (A<->Z, B<->Y, ...), how will NORTH be written?
Answer: B. MLIGS
Solution
Opposite letter = 27 - position (A=1 ... Z=26). N(14)->M(13), O(15)->L(12), R(18)->I(9), T(20)->G(7), H(8)->S(19) Answer: MLIGS
Shortcut: Pairs add up to 27: A-Z, B-Y, C-X, ... M-N.
If A=1, B=2, C=3, ..., Z=26, what is the sum of the values of the letters in the word CHAIR?
Answer: D. 39
Solution
C=3, H=8, A=1, I=9, R=18 Sum = 3+8+1+9+18 = 39 Answer: 39
If A=1, B=2, C=3, ..., Z=26, what is the sum of the values of the letters in the word TRAIN?
Answer: C. 62
Solution
T=20, R=18, A=1, I=9, N=14 Sum = 20+18+1+9+14 = 62 Answer: 62
In a certain code, the letters of a word are first written in reverse order and then each letter is moved 1 place(s) forward in the alphabet. How is OCEAN coded?
Answer: B. OBFDP
Solution
Reverse OCEAN: NAECO Shift each letter by +1: OBFDP Answer: OBFDP
In a certain code, the letters of a word are first written in reverse order and then each letter is moved 2 place(s) forward in the alphabet. How is PAPER coded?
Answer: A. TGRCR
Solution
Reverse PAPER: REPAP Shift each letter by +2: TGRCR Answer: TGRCR
In a certain code, the letters of a word are first written in reverse order and then each letter is moved 1 place(s) backward in the alphabet. How is CHAIR coded?
Answer: A. QHZGB
Solution
Reverse CHAIR: RIAHC Shift each letter by -1: QHZGB Answer: QHZGB
In a certain code, the letters of a word are first written in reverse order and then each letter is moved 3 place(s) forward in the alphabet. How is BREAD coded?
Answer: D. GDHUE
Solution
Reverse BREAD: DAERB Shift each letter by +3: GDHUE Answer: GDHUE
In a certain code, the 1st, 3rd, 5th ... letters of a word move 1 place(s) forward and the 2nd, 4th ... letters move 1 place(s) backward. How is HOUSE coded?
Answer: A. INVRF
Solution
Odd positions +1, even positions -1: H->I, O->N, U->V, S->R, E->F Answer: INVRF
In a certain code, the 1st, 3rd, 5th ... letters of a word move 2 place(s) forward and the 2nd, 4th ... letters move 1 place(s) backward. How is SMART coded?
Answer: D. ULCQV
Solution
Odd positions +2, even positions -1: S->U, M->L, A->C, R->Q, T->V Answer: ULCQV
In a certain code, the 1st, 3rd, 5th ... letters of a word move 1 place(s) forward and the 2nd, 4th ... letters move 2 place(s) backward. How is TRAIN coded?
Answer: C. UPBGO
Solution
Odd positions +1, even positions -2: T->U, R->P, A->B, I->G, N->O Answer: UPBGO
In a certain code, the 1st, 3rd, 5th ... letters of a word move 3 place(s) forward and the 2nd, 4th ... letters move 2 place(s) backward. How is GRAPE coded?
Answer: C. JPDNH
Solution
Odd positions +3, even positions -2: G->J, R->P, A->D, P->N, E->H Answer: JPDNH
In a certain code language: 1. 'vi ka hi' means 'sweet fresh apple' 2. 'pe vi fo' means 'sweet tasty milk' 3. 'hi fo na' means 'fresh tasty hot' What is the code for 'sweet'?
Answer: B. vi
Solution
Statements 1 and 2 have the word 'sweet' in common, and the only code common to both is 'vi'. So 'sweet' = 'vi'. Answer: vi
Shortcut: Find the code common to the two statements that contain the word; that is its code.
In a certain code language: 1. 'bu mo ru' means 'red big ball' 2. 'du ru lo' means 'red blue small' 3. 'lo bu hi' means 'big blue book' What does 'bu' stand for?
Answer: A. big
Solution
The code 'bu' appears in statements 1 and 3. The only word common to those two statements is 'big'. So 'bu' = 'big'. Answer: big
Shortcut: Find the code common to the two statements that contain the word; that is its code.
In a certain code language: 1. 'ga ze ye' means 'cat dog pen' 2. 'na ye ru' means 'cat green cold' 3. 'du ga na' means 'dog green tea' What is the code for 'green'?
Answer: D. na
Solution
Statements 2 and 3 have the word 'green' in common, and the only code common to both is 'na'. So 'green' = 'na'. Answer: na
Shortcut: Find the code common to the two statements that contain the word; that is its code.
If '+' means '−', '−' means '+', '×' means '÷', '÷' means '×', then find the value of 2 − 8 ÷ 7.
Answer: A. 58
Solution
Replace the symbols as per the code: 2 − 8 ÷ 7 = 2 + 8 × 7 Apply BODMAS (division and multiplication first, then addition and subtraction): = 58 Answer: 58
Shortcut: Rewrite the expression with the real operators first, then solve using BODMAS.
If '+' means '÷', '−' means '×', '×' means '+', '÷' means '−', then find the value of 10 ÷ 3 × 9.
Answer: A. 16
Solution
Replace the symbols as per the code: 10 ÷ 3 × 9 = 10 − 3 + 9 Apply BODMAS (division and multiplication first, then addition and subtraction): = 16 Answer: 16
Shortcut: Rewrite the expression with the real operators first, then solve using BODMAS.
If '+' means '+', '−' means '÷', '×' means '×', '÷' means '−', then find the value of 3 + 3 × 5 ÷ 2.
Answer: D. 16
Solution
Replace the symbols as per the code: 3 + 3 × 5 ÷ 2 = 3 + 3 × 5 − 2 Apply BODMAS (division and multiplication first, then addition and subtraction): = 16 Answer: 16
Shortcut: Rewrite the expression with the real operators first, then solve using BODMAS.
In a certain code, PLANT is written as SODQW. Which word is written as SDSHU in that code?
Answer: C. PAPER
Solution
P -> S: shift of +3. To decode SDSHU, apply -3 to each letter: S->P, D->A, S->P, H->E, U->R Answer: PAPER
In a certain code, SUGAR is written as RTFZQ. Which word is written as FQZOD in that code?
Answer: C. GRAPE
Solution
S -> R: shift of -1. To decode FQZOD, apply +1 to each letter: F->G, Q->R, Z->A, O->P, D->E Answer: GRAPE
In a certain code language: 1. 'pe du bu' means 'day bright sweet' 2. 'pe vi fo' means 'day red book' 3. 'ga bu vi' means 'bright red hot' What does 'pe' stand for?
Answer: D. day
Solution
The code 'pe' appears in statements 1 and 2. The only word common to those two statements is 'day'. So 'pe' = 'day'. Answer: day
Shortcut: Find the code common to the two statements that contain the word; that is its code.
In a certain code language: 1. 'sa hi du' means 'milk tea cold' 2. 'sa mo na' means 'milk fresh apple' 3. 'mo hi ye' means 'tea fresh big' What is the code for 'tea'?
Answer: C. hi
Solution
Statements 1 and 3 have the word 'tea' in common, and the only code common to both is 'hi'. So 'tea' = 'hi'. Answer: hi
Shortcut: Find the code common to the two statements that contain the word; that is its code.
In a certain code language: 1. 'ti du sa' means 'small dog bright' 2. 'na du pe' means 'small tasty pen' 3. 'hi ti na' means 'dog tasty blue' What does 'na' stand for?
Answer: B. tasty
Solution
The code 'na' appears in statements 2 and 3. The only word common to those two statements is 'tasty'. So 'na' = 'tasty'. Answer: tasty
Shortcut: Find the code common to the two statements that contain the word; that is its code.
If '+' means '−', '−' means '×', '×' means '+', '÷' means '÷', then find the value of 10 − 8 + 10 × 12.
Answer: C. 82
Solution
Replace the symbols as per the code: 10 − 8 + 10 × 12 = 10 × 8 − 10 + 12 Apply BODMAS (division and multiplication first, then addition and subtraction): = 82 Answer: 82
Shortcut: Rewrite the expression with the real operators first, then solve using BODMAS.
If '+' means '−', '−' means '+', '×' means '÷', '÷' means '×', then find the value of 4 − 8 + 3 × 3.
Answer: B. 11
Solution
Replace the symbols as per the code: 4 − 8 + 3 × 3 = 4 + 8 − 3 ÷ 3 Apply BODMAS (division and multiplication first, then addition and subtraction): = 11 Answer: 11
Shortcut: Rewrite the expression with the real operators first, then solve using BODMAS.
If '+' means '×', '−' means '÷', '×' means '+', '÷' means '−', then find the value of 12 − 12 × 7 ÷ 2 × 2.
Answer: B. 8
Solution
Replace the symbols as per the code: 12 − 12 × 7 ÷ 2 × 2 = 12 ÷ 12 + 7 − 2 + 2 Apply BODMAS (division and multiplication first, then addition and subtraction): = 8 Answer: 8
Shortcut: Rewrite the expression with the real operators first, then solve using BODMAS.
In a certain code, TABLE is written as UCEPJ. Following the same rule, how is CHAIR written?
Answer: B. DJDMW
Solution
Compare TABLE with UCEPJ: shifts are +1, +2, +3, +4, +5. The shift changes by +1 at each position, starting at +1. Apply to CHAIR: C(+1)->D, H(+2)->J, A(+3)->D, I(+4)->M, R(+5)->W Answer: DJDMW
In a certain code, STONE is written as UWSSK. Following the same rule, how is OCEAN written?
Answer: A. QFIFT
Solution
Compare STONE with UWSSK: shifts are +2, +3, +4, +5, +6. The shift changes by +1 at each position, starting at +2. Apply to OCEAN: O(+2)->Q, C(+3)->F, E(+4)->I, A(+5)->F, N(+6)->T Answer: QFIFT
In a certain code, PHONE is written as QKTUN. Following the same rule, how is LIGHT written?
Answer: D. MLLOC
Solution
Compare PHONE with QKTUN: shifts are +1, +3, +5, +7, +9. The shift changes by +2 at each position, starting at +1. Apply to LIGHT: L(+1)->M, I(+3)->L, G(+5)->L, H(+7)->O, T(+9)->C Answer: MLLOC
In a certain code, NORTH is written as QQSTG. Following the same rule, how is BREAD written?
Answer: D. ETFAC
Solution
Compare NORTH with QQSTG: shifts are +3, +2, +1, +0, -1. The shift changes by -1 at each position, starting at +3. Apply to BREAD: B(+3)->E, R(+2)->T, E(+1)->F, A(+0)->A, D(-1)->C Answer: ETFAC
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