In 1 minute `3/7` of a bucket is filled. The rest of the bucket can be filled in
a. `7/3` minutes
b. `4/3` minutes
c. `7/4` minutes
d. none of these

If (4)/(9)th of a bucket is filled in 1 minute,the rest of it will be filled in a.1 min b.(9)/(4)min c(5)/(4)min d.(4)/(5)min

A tank can be filled in 30 minutes. There is a leakage which can empty the tank in 90 minutes. Therefore, the tank will be filled in A. 60 minutes B. 45 minutes C. 55 minutes D. 50 minutes

Rosa can eat 32 rosogollas in one hour.Her sister Lila needs three hours to eat the same number.How much time will they take to eat 32 rosogollas together? a.4 minutes b.7 minutes c.90 minutes d.none of these

The minute hand of a clock is 7.5 cm long. Find the area of the face of the clock described by the minute hand in 56 minutes.

A tyre has two punctures. The first puncture alone would have made the tyre flat in 9 minutes and the second alone would have done it in 6 minutes. If air leaks out at a constant rate, how long does it take both the punctures together to make it flat? a. 1 1/2 minutes b. 3 1/2 minutes c. 3 3/5 minutes d. 4 1/4 minutes

If (4)/(5) of a water tank is filled in 1 hour,how much time will be required to fill the rest of it? 20 minutes (b) 15 minutes 12 minutes (d) 10 minutes

Two pipes A and B can fill a tank in 12 minutes and 15 minutes, respectively. When an outlet pipe C is also opened, then the three pipes together can fill the tank in 10 minutes. In how many minutes can C alone empty the full tank?