Two pipes can fill a tank in 12 min and 10 min respectively and a waste pipe can empty 15 litres per...........

Quantitative Aptitude ( CCS) Pipes&cistern

Two pipes can fill a tank in 12 min. and 10 min. respectively and a waste pipe can empty 15 litres per minute. All the three pipes working together can fill the tank in 30 min. The capacity of the tank is ?

100 litres

120 litres

115 litres

125 litres

छोटे Courses बड़े Results

Master Pipes&cistern

Prepare through Micro-courses

Try Now

Explanation:

Work done by the waste pipe in 1 min. = (1/12 + 1/10) - 1/30 = 11/60 - 1/30 = 9/60 = 3/20
.'. Volume of 3/20 part = 15 litres.
Volume of whole = (15*20/3) = 100 litres.