Mean of three consecutive even numbers is 16. The numbers are 

Correct Answer - 4.25

Correct Answer - ` (i) 1/2 (ii) 3/4 `

Correct option is (D) Odd number Sum of three odd numbers is odd. Sum of an odd number and an even number is odd. \(\therefore\) Sum of three odd numbers and one even number is odd.

Correct option is (A) 6 Mean \(=\frac{\text{Sum of first five even natural numbers}}5\) \(=\frac{2+4+6+8+10}5\) \(=\frac{30}5=6\)

Correct option is  C) 4

B) x, x + 1, x + 2

Given that the first 10 even natural numbers be 2, 4, 6, 8, 10, 12, 14, 16, 18, 20 Mean \(=\frac{Sum\, of \,all \,numbers}{Total\,numbers}\)  \(=\frac{2 + 4 + 6 + 8 + 10...

Let the consecutive even integers be ‘a’ and a + 2  ⇒ a2 + (a + 2)2 = 340  ⇒ 2a2 + 4a – 336 = 0  ⇒ a2 + 2a – 168...