A fill pipe can fill 1/3 of cistern in 20 minutes in how many minutes, it can fill 3/4 of the cistern?	Options:	A) 15 min	B) 45 min	C) 25 min	D) 40 min	E) 50 min
1/3 of the cistern can fill in 20 min   3/4 of the cistern can fill in = 20*3*3/4= 
<gadget id="calculator">20*3*3/4</gadget>
<output>45</output>
45min   Answer is 45 min
<result>B</result>
A fill pipe can fill 1/3 of cistern in 20 minutes in how many minutes, it can fill 3/4 of the cistern?