1.

The difference of the square of two consecutive even numbers is 84. What is the sum of these two consecutive even numbers?1. 342. 383. 364. 42

Answer» Correct Answer - Option 4 : 42

Calculation:

Let the two consecutive even number be x and x + 2

Now, A/Q

(x + 2)2 – x2 = 84

⇒ x2 + 4 + 4x – x2 = 84

⇒ 4x = 80

⇒ x = 20

The two consecutive number are 20 and 22

Sum = 20 + 22 = 42

∴ The sum of two consecutive even number is 42



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