A machine P can paint one lakh books in 8 hours; machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines started operating at 9 A. M. while machine P is stopped at 11 A. M. and the reamaining two machines completed the work. Approximately at what time will the work (to print one lakh books) be finished?

Bridgeport is 924 miles from Danville. The distance between Danville to Cooper-town is three-fourths of the di...

The Lions' Club has a traget of rising at least Tk 500,000. It has already raised Tk 100,000. The club is spon...

A drink contains 20% cranberry juice, 20% raspberry juice and the rest i apple juice. You added 250 ml water i...

A school committee consists of 2 teachers and 4 students. The number of different committees that can be forme...

Mohona deposits Tk 10,000 into a sacings account that pays interest at an annual rate of 8% compounded quarter...

At XYZ Company, the ratio of sales to gross profit is 4:3 and the ratio of gross profit to net profit is 3:1,...