Question 162

5% of 420 × ? % of 1 50 = 252

Solution

Let us consider the unknown percentage to be x.

5% =$$\frac{5}{100}$$

5% of 420 = $$\frac{5\times420}{100}$$ = 21

21 x (x % of 150) = 252

x % of 150 = 252 ÷ 21 = 12

$$\frac{x}{100}$$=$$\frac{12}{150}$$

x = $$\frac{12\times100}{150}$$ =$$\frac{12\times2}{3}$$ = 8.

Hence the correct option is Option D.




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