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Question

If 35% of a number added to 39 is the number itself, the number is

(a) 60
(b) 65
(c) 75
(d) 105


Solution

Let the required number be x.

According to the question,
35% of x+39=x35100×x+39=x35x×100100=x-39×10035x=100x-3900100x-35x=390065x=3900x=390065x=60

Hence, the correct option is (a).

Mathematics
RD Sharma (2020, 2021)
All

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