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Question 121
One fourth of two-fifth of 30% of a number x is equal to 15. Find 20% of the same number.
Solution
According to ques,
=> $$\frac{1}{4} \times \frac{2}{5} \times \frac{30}{100} \times x=15$$
=> $$\frac{3x}{100}=15$$
=> $$x=15 \times \frac{100}{3}=500$$
$$\therefore$$ 20% of $$x$$ = $$\frac{20}{100} \times 500$$
= $$20 \times 5=100$$
=> Ans - (A)
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