Quantitative Aptitude - Arithmetic Ability Questions

What is the least number that when divided by 63 and 105 leaves remainder 4 in each case?

The compound interest on Rs. 1000 at 10% per annum for 3 years in (Rs.) is

A student, by mistake, wrote 64 in place of 46 as a number at the time of finding the average of 10 given numbers & got the average as 50. The correct average of the numbers is

The average of 5 consecutive numbers is 50%, then difference between 'product of largest and smallest number' with 'product of fourth and second number' is

The volume of metallic cylindrical pipe of uniform thickness is 748 c.c. Its length is 14 cm and its external radius is 9 cm. The thickness of the pipe is

If x+3y=-3x+y, then x22y2 is equal to

Car B is twice as fast as car A. If car A covers 90 km in 2 hours, what is the speed of car B?

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?