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Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is rel
Question

Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number.
13:31::15:33::20:?

A.

40

B.

36

C.

32

D.

38

Correct option is D

Given - 13:31::15:33::20:?
Logic = Second number = First number + 18
The relationship follows the logic of adding 18 to the given number.
In the first pair, 13 becomes 31 because 13+18=31.
In the second pair, 15 becomes 33 because 15+18=33.
In the third pair, 20 will become 38 because 20+18=38.
The correct answer is (D) 38.

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