Quantitative Aptitude - Arithmetic Ability Questions

If sin x + cos x = √2 sin x, then the value of tan x is

Out of three pipes the first two can fill an empty tank in 9 and 18 hours, respectively while the third can drain the filled tank in 15 hours. If all the three pipes are opened when the tank is empty, after how many hours will the tank be full?

What will be the cost of levelling a circular ground of diameter 28 m, if charges are Rs. 125 per sq.m?

How many solutions does a pair of linear equations will have, if the equations are 4x+5y-6=0 and 16x+20y+20=0?

Three numbers are given in which the second is triple the first and is also double the third. If the average of the three numbers is 66. Find the first number.

Find the total Simple Interest on Rs. 500 at 7% per annum, on Rs. 700 at 10% per annum and on Rs. 1000 at 4% per annum for 3 years.

Possible measures of three angles of a triangle are

The value of (0.00000729/0.00000027) is