Coding-Decoding MCQs

Reasoning

Coding-Decoding MCQs

Practice Coding-Decoding MCQs with detailed explanations for JKSSB, SSC, Railway, Banking, UPSC and all competitive exams.

148
Total Questions

Practice Questions

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Question #81
If BAT = 23 and CAT = 24, how will ANT be coded?
A. 33
B. 34
C. 35
D. 36

Correct Answer: Option C


Explanation:
The code is the sum of alphabetical positions. B(2) + A(1) + T(20) = 23. A(1) + N(14) + T(20) = 35.

This question belongs to: Reasoning Coding-Decoding
Question #82
If RED = 27, what is the code for BLACK?
A. 29
B. 32
C. 30
D. 28

Correct Answer: Option A


Explanation:
Sum of alphabetical positions. B(2) + L(12) + A(1) + C(3) + K(11) = 29.

This question belongs to: Reasoning Coding-Decoding
Question #83
In a certain code, RUN = 53. What is the code for WALK?
A. 48
B. 47
C. 45
D. 49

Correct Answer: Option B


Explanation:
Sum of positions. R(18) + U(21) + N(14) = 53. W(23) + A(1) + L(12) + K(11) = 47.

This question belongs to: Reasoning Coding-Decoding
Question #84
If TO = 35, what is the code for DO?
A. 20
B. 21
C. 18
D. 19

Correct Answer: Option D


Explanation:
Sum of positions. T(20) + O(15) = 35. D(4) + O(15) = 19.

This question belongs to: Reasoning Coding-Decoding
Question #85
If FEAR = 30, what will be the code for HAIR?
A. 34
B. 36
C. 38
D. 35

Correct Answer: Option B


Explanation:
Sum of positions. F(6) + E(5) + A(1) + R(18) = 30. H(8) + A(1) + I(9) + R(18) = 36.

This question belongs to: Reasoning Coding-Decoding
Question #86
If Z = 26, what is the code for IT?
A. 30
B. 28
C. 29
D. 27

Correct Answer: Option C


Explanation:
Sum of positions. I(9) + T(20) = 29.

This question belongs to: Reasoning Coding-Decoding
Question #87
If MAN = 28, what is the code for GIRL?
A. 44
B. 45
C. 48
D. 46

Correct Answer: Option D


Explanation:
Sum of positions. M(13) + A(1) + N(14) = 28. G(7) + I(9) + R(18) + L(12) = 46.

This question belongs to: Reasoning Coding-Decoding
Question #88
If A = 2, B = 4, and C = 6, what is the code for JUMP?
A. 125
B. 110
C. 120
D. 115

Correct Answer: Option C


Explanation:
Each letter's position is multiplied by 2. J(10*2=20) + U(21*2=42) + M(13*2=26) + P(16*2=32) = 120.

This question belongs to: Reasoning Coding-Decoding
Question #89
If E = 5 and HOTEL = 60, what is the code for BORE?
A. 38
B. 44
C. 42
D. 40

Correct Answer: Option D


Explanation:
Sum of standard positions. B(2) + O(15) + R(18) + E(5) = 40.

This question belongs to: Reasoning Coding-Decoding
Question #90
If in a certain code language A=26, B=25, and so on (reverse alphabet), what is the code for 'DONE'?
A. 70
B. 72
C. 74
D. 68

Correct Answer: Option A


Explanation:
Sum of reverse alphabetical positions. D(23) + O(12) + N(13) + E(22) = 70.

This question belongs to: Reasoning Coding-Decoding
Question #91
If 'train' is called 'bus', 'bus' is called 'tractor', and 'tractor' is called 'car', what is used to plow a field?
A. Bus
B. Car
C. Tractor
D. Train

Correct Answer: Option B


Explanation:
A 'tractor' is used to plow a field. In this code, 'tractor' is called 'car'.

This question belongs to: Reasoning Coding-Decoding
Question #92
If 'red' is called 'yellow', 'yellow' is called 'green', and 'green' is called 'black', what is the color of grass?
A. Black
B. Green
C. Red
D. Yellow

Correct Answer: Option A


Explanation:
The actual color of grass is green. In the given code, 'green' is called 'black'.

This question belongs to: Reasoning Coding-Decoding
Question #93
If 'sun' is called 'moon', 'moon' is called 'sky', and 'sky' is called 'star', what shines brightly at night giving natural light?
A. Sun
B. Sky
C. Moon
D. Star

Correct Answer: Option B


Explanation:
The 'moon' provides natural light at night. In this code language, 'moon' is called 'sky'.

This question belongs to: Reasoning Coding-Decoding
Question #94
If 'pen' is called 'pencil', 'pencil' is called 'chalk', and 'chalk' is called 'marker', what is traditionally used to write on a blackboard?
A. Pencil
B. Chalk
C. Marker
D. Pen

Correct Answer: Option C


Explanation:
'Chalk' is traditionally used to write on a blackboard. In the code, 'chalk' is called 'marker'.

This question belongs to: Reasoning Coding-Decoding
Question #95
If 'circle' is called 'square', 'square' is called 'triangle', and 'triangle' is called 'rectangle', which shape has exactly three sides?
A. Square
B. Triangle
C. Circle
D. Rectangle

Correct Answer: Option D


Explanation:
A 'triangle' has three sides. In this code language, 'triangle' is called 'rectangle'.

This question belongs to: Reasoning Coding-Decoding
Question #96
In a certain code, 'pat mat' means 'hot water', and 'mat sat' means 'water cold'. Which word represents 'water'?
A. hot
B. pat
C. mat
D. sat

Correct Answer: Option C


Explanation:
The common word in both phrases is 'water', and the common code is 'mat'. Therefore, 'water' is coded as 'mat'.

This question belongs to: Reasoning Coding-Decoding
Question #97
If 'chi ri' means 'fast car', and 'ri so' means 'car race', what is the code for 'car'?
A. fast
B. so
C. chi
D. ri

Correct Answer: Option D


Explanation:
The common word in both phrases is 'car', and the common code is 'ri'. Therefore, 'car' is coded as 'ri'.

This question belongs to: Reasoning Coding-Decoding
Question #98
In a code language, '5 6 7' means 'black tall tree', and '7 8 9' means 'tree very green'. What digit stands for 'tree'?
A. 6
B. 5
C. 7
D. 9

Correct Answer: Option C


Explanation:
The common word in both phrases is 'tree', and the common digit in both codes is '7'. Therefore, 'tree' is represented by '7'.

This question belongs to: Reasoning Coding-Decoding
Question #99
If 'ho to' means 'run fast', 'to po' means 'fast train', and 'po ro' means 'train journey', what is the code for 'fast'?
A. ho
B. to
C. ro
D. po

Correct Answer: Option B


Explanation:
'fast' is common in the 1st and 2nd statements, and 'to' is the common code. Thus, 'fast' is coded as 'to'.

This question belongs to: Reasoning Coding-Decoding
Question #100
In a certain code, '1 2 3' means 'we love dogs', '3 4 5' means 'dogs are loyal', and '5 6 7' means 'loyal and brave'. What is the code for 'dogs'?
A. 1
B. 3
C. 2
D. 5

Correct Answer: Option B


Explanation:
'dogs' is common in the 1st and 2nd statements, and the common digit is '3'. Therefore, 'dogs' is coded as '3'.

This question belongs to: Reasoning Coding-Decoding