If m and n are positive integers and (m - n) is an even number, then (m^2 - n^2) will be always divisible by
If m and n are positive integers and (m - n) is an even number, then (m2 - n2) will be always divisible by
If m men can do a work in r days, then the number of days taken by (m + n) men to do it is :
If n is an integer between 20 and 80, then any of the following could be n+7 except
If on an item a company gives 25% discount, they earn 25% profit. If they now give 10% discount then what is the profit percentage.
If one pipe A can fill a tank in 20 minutes, then 5 pipes, each of 20% efficiency of A, can fill the tank in:
If one-third of one-fourth of a number is 15, then three-tenth of that number is:
If one-third of one-fourth of a number is 15, then three-tenth of the number is
If p : q = 3 : 4 and q : r = 8 : 9 then p : r is
If P can do 1/3rd of the work in 5 days and Q can do 1/4th of the same work in 6 days, then how much money will Q get if they are paid a total of Rs. 780 ?
