CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

The A.M. of first n even natural number is


A
n(n+1)
loader
B
n+12
loader
C
n2
loader
D
n+1
loader

Solution

The correct option is D $$n + 1$$
$$\displaystyle A.M.=\frac { 2+4+.....+2n }{ n } =\frac { 2\left( 1+2+.....+n \right)  }{ n } =\frac { 2n\left( n+1 \right)  }{ 2n } =n+1$$
Ans: D

Mathematics

Suggest Corrections
thumbs-up
 
0


similar_icon
Similar questions
View More


similar_icon
People also searched for
View More



footer-image