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In the following number-pairs, the second number is obtained by applying certain mathematical operation(s) to the first number. Select the number-pair
Question

In the following number-pairs, the second number is obtained by applying certain mathematical operation(s) to the first number. Select the number-pair in which the numbers are related in the same way as are the numbers of the following pairs.
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – Operations on 13 such as adding to/subtracting from/multiplying with 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
74, 43
98, 55

A.

122, 66

B.

142, 76

C.

46, 29

D.

64, 39

Correct option is C

Information Given:
74 → 43
98 → 55
Find the similar number-pair.

Logic:
Pattern: Second number = (First ÷ 2) + 6

Explanation:
Logic: Verify the given pairs.
74 ÷ 2 + 6 = 37 + 6 = 43 ✔
98 ÷ 2 + 6 = 49 + 6 = 55 ✔

Check options:
A: 122 ÷ 2 + 6 = 67 ✘
B: 142 ÷ 2 + 6 = 77 ✘
C: 46 ÷ 2 + 6 = 23 + 6 = 29 ✔
D: 64 ÷ 2 + 6 = 38 ✘

Final Answer:
46, 29

Final Correct Option:
C

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