23. If 15% of 60 is greater than 25% of a number by 3, then find the number.
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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