1.

Find the difference between the sum of first 4 even natural numbers and first 3 odd natural numbers.1. 92. 103. 114. 12

Answer» Correct Answer - Option 3 : 11

Given:

First 4 even natural numbers.

First 3 odd natural numbers.

Formula used:

Sum of first 'n' even natural numbers = n(n + 1)

Sum of first 'n' odd natural numbers = n2

Calculations:

Sum of first '4' even natural numbers = 4(4 + 1)

⇒ 20

Sum of first '3' odd natural numbers = (3)2 = 9

Difference = (20 - 9)

⇒11

∴ The difference between the sum of first 4 even natural numbers and first 3 odd natural numbers is 11.



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