Two-fifths of one-third of three-seventh of a | vedclass

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Question

(D) Let the number be $x$.According to the problem,$\frac{2}{5} 	imes \frac{1}{3} 	imes \frac{3}{7} 	imes x = 15$.Simplifying the equation: $\frac{

Vedclass · Accepted Answer

$105$

Vedclass · Answer

(D) Let the number be $x$.According to the problem,$\frac{2}{5} 	imes \frac{1}{3} 	imes \frac{3}{7} 	imes x = 15$.Simplifying the equation: $\frac{2}{5} 	imes \frac{1}{7} 	imes x = 15$.$\frac{2}{35} 	imes x = 15$.$x = 15 	imes \frac{35}{2} = \frac{525}{2} = 262.5$.Now,we need to find $40$ per cent of $x$.$40\% 	ext{ of } x = \frac{40}{100} 	imes 262.5$.$= 0.4 	imes 262.5 = 105$.

Two-fifths of one-third of three-seventh of a number is $15$. What is $40$ per cent of that number?

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