A number is first increased by 20% and then reduced by 15%. If the final value is 2040, then what is the initial value of the number?
Answer & explanation
Correct answer: option 3
Let the actual number = 100x
Net change = + 20 - 15 - \(\frac{20× 15 }{100}\)
= 2%
So , New number = 100x × \(\frac{102}{100}\)
= 102x
102x = 2040 (given)
1x = 20
Initial value of the number = 100x = 2000