Question

Z 모
1
If 15% of 40 is greater than 25% of a number by 2, then the number is
(1) 14
(2) 16
(3) 18
(4) 20​

Answer 1

Answer:

Let the number be x. Then, according to question

⇒

100

15

×40−

100

25

×x=2

⇒

20

3

×40−

4

1

×x=2

⇒ 6−

4

x

=2

⇒

4

24−x

=2

⇒ 24−x=8

⇒ x=16