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Q.

In an examination, a student was asked to find 3/14 of a certain number. By mistake, he found 3/4 of it. His answer was 150 more than the correct answer. Find the given number.

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a

280

b

190

c

350

d

250

answer is C.

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Detailed Solution

Let the given number id n.

According to the question,

n×34n×314=15021n6n28=15021n6n=150×2815n=150×28n=150×2815n=280

So, the number is 280.

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In an examination, a student was asked to find 3/14 of a certain number. By mistake, he found 3/4 of it. His answer was 150 more than the correct answer. Find the given number.