When 13 is divided by the reciprocal of a particular number, the result is 8 less than the number. Find the number.
A
3
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B
6
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C
8
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D
12
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Solution
The correct option is B12 Let the number be x Reciprocal of x is 1x. As per problem, the equation can be written as ⇒131x=x−8 ⇒13×x=x−8 ⇒x3=x−8 ⇒x=3x−24 ⇒−2x=−24 ⇒x=12