Question 7

One-fourth of three-fifth of a number is 42. What is 40% of that number ?

Solution

Let the number be $$x$$

According to ques,

=> $$\frac{1}{4}\times\frac{3}{5}\times(x)=42$$

=> $$x=42\times\frac{20}{3}$$

=> $$x=280$$

$$\therefore$$ 40% of the number = $$\frac{40}{100}\times280=112$$

=> Ans - (D)

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