Question 91
If 25% of a number m is added to another number n then n increases by 10% then m : n =
Solution
According to the problem,
$$\frac{25}{100}$$m + n = $$\frac{110}{100}$$n
$$\Rightarrow$$ $$\frac{25}{100}$$m = $$\frac{110}{100}$$n - n
$$\Rightarrow$$ $$\frac{25}{100}$$m = $$\frac{10}{100}$$n
$$\Rightarrow$$ m : n = 2 : 5
Hence, the correct answer is Option A
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