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Question

In a given fraction, if five is subtracted from the numerator, the fraction becomes 13 If one is subtracted from the denominator, the fraction becomes 12 . What is the fraction?

A
1427
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B
1531
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C
1732
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D
1633
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Solution

The correct option is D 1633
Let the fraction be xy

x5y=13

3x15=y.....(1)

xy1=12
2x=y1

2x+1=y .... (2)

from (1) and (2), we get

3x15=2x+1

3x2x=15+1

x=16

y=2(16)+1 (from(2))

=32+1=33.

Hence the fraction is 1633

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