Question

if 40%of a number is 18 then find the number

Answer 1

Answer:

Correct option is B)

Mean of 5 numbers =18

⇒ Sum of these 5 numbers =18×5=90

Let number that has been excluded be x

New mean =

4

90−x

=16

Solving this, we get

90−x=64

∴x=26