If 5/2 - (6/5)(x - 15/2) = -x/5, then what is the value of x?

The simple and compound interest that can be earned in two years at the same rate is Rs 1,000 and Rs 1,040 respectively. What is the rate (percent per annum) of interest?

After excluding stoppages, the speed of a bus is 60 kmph and after including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?

20% of a = b, then b% of 20 is the same as _________ of a.

A trader had 1200 kgs of rice. He sold a part of it at 5% profit and the rest at 11% profit, so that he made a total profit of 7%. How much (in kg) wheat did he sell at 5% profit?

What is the average of all numbers between 8 and 74 which are divisible by 7?

What is the fourth proportional to 24, 120 and 22?

At 20% discount the selling price of an article is Rs 2400, what is the selling price (in Rs) if the discount is 32.5%?