১৪৬৯১
10 women can do a work in 8 days. 8 men can complete the same work in 7 days. What is the ratio between the capacity of a man and a woman?
উত্তর
10 : 7
১৪৬৯২
Two pipes together can fill a tank in 6 hours. One pipe alone can do it in 12 hours. Another pipe alone can fill two tanks in -
উত্তর
24 hours
১৪৬৯৩
If A can do 1/4 of a work in 3 days and B can do 1/9 of the same work in 4 days, how much will A get if both work together and paid Tk 800 in all?
উত্তর
600 Tk
১৪৬৯৪
An outgoing pipe is attached to a tank that can empty it in 20 hours. An ingoing pipe is connected to the tank that can fill it in 8 hours. How much time will it take to fill the half-full tank?
উত্তর
20/3 hours
১৪৬৯৫
8 men can complete a piece of work in 20 days. 8 women can complete the same work in 32 days. In how many days will 5 men and 8 women together complete the same work?
উত্তর
16 days
১৪৬৯৬
A pipe can fill 1/6th of a tank in 30 minutes. How much time will it take to fill two tanks?
উত্তর
6 hours
১৪৬৯৭
To complete a work, X takes 25% more time than Y. If together they take 20 days to complete the work, how much time shall Y take to do it?
উত্তর
36 days
১৪৬৯৮
Time required by two pipes A and B working separately to fill a tank is 36 seconds and 45 seconds respectively. Another pipe C can empty the tank in 30 seconds. Initially, A and B are opened and after 7 seconds, C is also opened. In how much more time the tank would be completely filled?
উত্তর
39 seconds
১৪৬৯৯
If the workforce is doubled, how much longer will it take to finish the task?
উত্তর
0.5 times
১৪৭০০
6 pipes, working 10 hours a day, can empty a cistern in 3 days. How many hours a day must 9 pipes work to empty the cistern in one day?
উত্তর
20 hours