Model 2  Filling tank by parts or fractions Section-Wise Topic Notes With Detailed Explanation And Example Questions

Question : 1

20 buckets can fill a tank when the capacity of each bucket is 12 liters. If the capacity of each bucket is 10 liters, find the number of buckets required to fill the tank.

a) 30 buckets

b) 34 buckets

c) 24 buckets

d) 27 buckets

Question : 2

If $3/5$ th of a cistern is filled in 1 minute, the time needed to fill the rest is

a) 36 sec

b) 40 sec

c) 24 sec

d) 30 sec

Question : 3

There are two pumps to fill a tank with water. First pump can fill the empty tank in 8 hours, while the second in 10 hours. If both the pumps are opened at the same time and kept open for 4 hours, the part of tank that will be filled up is :

a) $2/5$

b) $9/10$

c) $1/54$

d) $1/10$