Question

if 60% of a number is 15 then 40% of the number is
the option are
a- 10.5
b- 12
c- 10
d- 15​

Answer 1

Answer:

let X be the number.

then 60% of X = 15

=>(60/100)X=15

=>X=(15*100)/60=25.

Now, 40%of(25) = (40/100)25 =10.

So option c is correct.