If t is any integer, which of the following represents an odd number?

when the price of an article is reduced by 15% the sales increases by 35% . The percentage change in the total...

If A's income is 25% less than that of B, then how much percent is B's income more than that of A?

If simple interest on a certain sum of money is Tk. 256 and the rate of interest per annum equals the number o...

A board of length L feet is cut into two pieces such that the length of one piece is 1 foot more than twice th...

A cyclist travels x miles in w hours and z minutes. What is the cyclist's speed in miles per hours and z minut...

A bell rings every 15 minute. If the bell rang at 12.40, which of the following could be a time at which the b...