Question

first and second numbers are less than a third number by 20% and 40% respectively. the second number is less than the first by​
a)7%
b)4%
c)3%
d)25%

Answer 1

Answer:

25%

Step-by-step explanation:

let the third number be X

first number=x-20%ofx

=x-x/5

4x/5

second number =x-40%ofx

=x-2x/5

=3x/5

difference between first and second number is X/5

therefore X/5÷4x/5

X/4x×100

25%