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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