Question

Insert 16 rational number between 2.1 and 2.2

Answer 1

Dear Friend,
(2.1+2.2)/2=2.15
(2.15+2.1)/2=2.125
(2.15+2.2)/2=2.175
similarly finding mid value of the new numbers which are found by existing numbers we get infinite rational numbers between 2.1 and 2.2.
hope it helps u.

Answer 2

by using d= y-x/n y=2.2 x=2.1 and n = 16 after that put number = x+d ,x+2d till x+16d