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Question -

If you subtract 1/2 from a number and multiply the result by 1/2, you get 1/8 what is the number?



Answer -

Let the number be x.
According to the question,
(x – 1/2) × ½ = 1/8
x/2 – ¼ = 1/8
x/2 = 1/8 + ¼
x/2 = 1/8 + 2/8
x/2 = (1+ 2)/8
x/2 = 3/8
x = (3/8) × 2
x = ¾

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