Quantitative Aptitude - Arithmetic Ability Questions

How many numbers divisible by 125 can be written by using all the digits 2,3,8,7,5 exactly once?

What is the slope of the line parallel to the line passing through the points (-­4,­-6) and (2,­-3)?

Average of 31 numbers is 19. If the average of first 8 numbers is 24, then what is the average of the remaining numbers?

A man buys 7 shirts at Rs 300 each, 2 trousers at Rs 450 each and 1 pair of shoes at Rs 500 each. What is the average expenditure (in Rs) per article?

Pipes A, B, and C are attached to an empty cistern. While the first two can fill the cistern in 4 and 10 hours, respectively, the third can drain the cistern, when filled, in 6 hours. If all the three pipes are opened simultaneously when the cistern is three-fifth full, how many hours will be needed to fill the cistern?

If x + 2(3-5x) > -1 - 2x < 5 - x/3; then the value of x is

If √20 + √125 = 15.65, then what is the value of √45 + √5?

If the difference between the roots of the equation Ax2 – Bx + C = 0 is 4, then which of the following is TRUE?