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Select the option that is related to the third number in the same way as the second number is related to the first number.

12 ∶ 140 ∶∶ 15 ∶ ?

A231

B115

C135

D221

Answer:

D. 221

Read Explanation:

Solution:

The logic is:

12 : 140 → 12 : 122 - 4

Similarly,

15 : ? → 15 : 152 - 4

=> ? = 225 - 4

=> ? = 221

Hence, ‘221’ is the correct answer


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