Two-fifth of one-third of three-seventh of a number is 15. What is 40% of that number?	Select the correct option
A) 182	B) 108	C) 162	D) 721	E) 105
Let the number be x. Then,   2/5 of 1/3 of 3/7 of   x = 15 =&gt; x = (15 * 5/3 * 3 * 5/2)   = 525/2   40% of 525/2 = (40/100 * 525/2)= 
<gadget id="calculator">(40/100 * 525/2)</gadget>
<output>105</output>
105   Answer:105
<result>E</result>
Two-fifth of one-third of three-seventh of a number is 15. What is 40% of that number?