A number on subtracting 15 from it reduces to its 80...

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A number, on subtracting 15 from it reduces to its 80%. What is 40% of the number ?

A. 75

B. 60

C. 30

D. 90

Answer: Option C

Solution(By Examveda Team)

Let the number = x
According to the question,
x - 15 = $$\frac{80x}{100}$$
x - 15 = $$\frac{4x}{5}$$
5x - 75 = 4x
x = 75
Required answer
= 75 × $$\frac{40}{100}$$
= 30

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A number on subtracting 15 from it reduces to its 80...

A number, on subtracting 15 from it reduces to its 80%. What is 40% of the number ?

Solution(By Examveda Team)

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