If 'A' = 10, 'B' = 20, 'C' = 30, what is 'D'? MCQ with Answer and Explanation

If 'A' = 10, 'B' = 20, 'C' = 30, what is 'D'?
A. 60
B. 30
C. 40
D. 50
Answer: Option C
Solution (By JKExamLibrary)
Code = pos * 10. D(4)*10 = 40.

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Practice More Coding-Decoding Questions

Question #1
In a certain code language, 'KING' is written as 'PRMT'. How is 'QUEEN' written in that code?
A. JGVVN
B. JFVVM
C. JEUUM
D. KFWWM

Correct Answer: Option B


Explanation:
Each letter is replaced by its opposite letter in the alphabet (A=Z, B=Y, etc.). Q->J, U->F, E->V, E->V, N->M. QUEEN becomes JFVVM.

This question belongs to: Reasoning Coding-Decoding
Question #2
If 'bird' is 'fish', 'fish' is 'insect', 'insect' is 'bird', what flies?
A. Bird
B. Insect
C. Cat
D. Fish

Correct Answer: Option B


Explanation:
Birds fly. Bird is coded as fish. Wait, if bird is fish, and insect is bird, insects fly? Let's check logic.

This question belongs to: Reasoning Coding-Decoding
Question #3
If 'ho to' means 'run fast', 'to po' means 'fast train', and 'po ro' means 'train journey', what is the code for 'fast'?
A. ro
B. po
C. ho
D. to

Correct Answer: Option D


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