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A number, when 35 is subtracted from it, reduces to its 80 percent. What is four-fifths of that number?
Question

A number, when 35 is subtracted from it, reduces to its 80 percent. What is four-fifths of that number?

A.

90

B.

120

C.

70

D.

140

Correct option is D

Solution:

Let the number be x
According to the question
x – 35 = x × 80/100
=> x – 4x/5 = 35
=> x/5 = 35
=> x = 35 × 5
=> x = 175
∴ 4/5th of x
=> 175 × 4/5
=> 140

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