the reminder when the posetive inteser mis divided by n is r. what is the reminder when 2m is devided by 2n

a tank 40% is full of water ,if 9 liters water is removed the tank become 1/4 full what is the capacity of tan...

which one of the following fraction is a result of the sumof an intiger and its reciprocal?

which one of following is the minimum value of the sum of two integer whose product is 36

if A B C D and E are points in a plane such that the line CD bisects angle ACb and line CB bisects right angle...

what is the avareage of series 1,5,9,---,81 ?

if 7 workers can assemble a car in 8 hours, how long would it take 12 workers to assemble the same car?