Q: Pipe A can fill a tank in 16 minutes and pipe B cam empty it in 24 – McqOptions

MCQOPTIONS

1.	Q: Pipe A can fill a tank in 16 minutes and pipe B cam empty it in 24 minutes. If both the pipes are opened together after how many minutes should pipe B be closed, so that the tank is filled in 30 minutes ?
A.	21 min
B.	24 min
C.	20 min
D.	22 min
Answer» B. 24 min

Discussion

No Comment Found

Related MCQs

Q: With an average speed of 40 km/hr, a train reaches its destination in time. If it goes with an average speed of 35 km/hr, it is late by 15 minutes. Find the length of the total journey?
Q: Without any stoppage, a person travels a certain distance at an average speed of 42 km/h, and with stoppages he covers the same distance at an average speed of 28 km/h. How many minutes per hour does he stop?
Q: Write 0.125 as a percent %?
Q: X can complete the work in 10 days, Y can do the same in 15 days. If they are hired for 5 days to do the work together, what is the work that left unfinished?
Q: You drive to the store at 20 kmph and return by the same route at 30 kmph. Discounting the time spent at the store, what was your average speed ?
Q: Which value is equal to 5% of 1,500?
Q: Which two months in a year have the same calendar?
Q: Which one of the following is not a prime number?
Q: Which of the following is not a prime number?
Q: Which is the next number in the sequence: 1, 3, 6, 11, 20, 37, ??