Question

Find the number which when increased by 25% becomes 105.​

Answer 1

Let the number be x.

100

125x

=150

or, x=120

hope it helps

Answer 2

Answer:

Let the number be x

Increased num=x+25x/100=x+5x/20=x+x/4=5x/4

5x/4=105

X=105x4/5

=84

Varificarion =25/100*84=0.25*84=21

New num=21+84=105

Hence proved so the ans=84