Question

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

3978 ∶ 72 ∶∶ 5172 ∶ ?

• A. 98
• B. 51
• C. 27
• D. 66

Answer 1

Answer:

B. 51

Solution: Given, 3978 ∶ 72 ∶∶ 5172 ∶ ? The pattern followed here is, 3978 = 3 + 9 + 7 + 8 = 27 Arrange the above addition in reverse order, ∴ 27 = 72 Similarly, 5172 = 5 + 1 + 7 + 2 = 15 Arrange the above addition in reverse order, ∴ 15 = 51 Hence, the correct answer is 51.