Aptitude | Arithmetic Aptitude 5 | Question 4

What is the sum of two consecutive odd numbers, the difference of whose squares is 56?
(A) 30
(B) 28
(C) 34
(D) 32


Answer: (B)

Explanation:

Let the no. be x and (x +2).
Then (x + 2)2 – x2 = 56
4x + 4 = 56
x + 1 = 14
x = 13
Sum of numbers = x + (x +2) = 28

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