Question

8. 6 pumps of kirlosker can fill a tank in 7 days and 2 similar pumps o USHA can fill the same tank in 18 days. What is the ratio of the efficienc of a Kirlosker pump and a USHA pump? d) cannot be determined​

Answer 1

Answer:

6 pumps of kirlosker can fill a tank in 7 days and 2 similar pumps of USHA can fill the same tank in 18 days. ... The number of days required by a single kirlosker pump to fill the tank = 6 x 7 =42 days and the number of days required by a single USHA pump to fill the same tank = 2 x 18 =36 days.