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Question

Find a positive number which when increased by 17 is equal to 60 times the reciprocal of the number.

A
3
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B
10
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C
17
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D
20
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Solution

The correct option is D 3
Let the positive number be x.
Then by the problem,
x+17=60x
or, x2+17x60=0
or, (x3)(x+20)=0
Since the number is positive, so x=3.
The required number is 3.

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