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