Quantitative Aptitude - Arithmetic Ability Questions

Simple interest on a sum for 12 months at the rate of 25% per annum is Rs 935.What is the value (in Rs) of sum?

Two spheres of equal radius are taken out by cutting from a solid cube of side (12 + 4√3) cm. What is the maximum volume (in cm3) of each sphere?

If x2+ x = 19, then what is the value of (x + 5)2+ [1/(x + 5)2]?

Find the greatest number that will divide 390, 495 and 300 without leaving a remainder

The least value of tan2x + cot2x is

An army lost 10% of its men in war, 10% of the remaining died due to disease and 10% of the rest were declared disabled. Thus the strength of the army was reduced to 7,29,000 active men. The original strength of the army was

P and Q can do a project in 60 and 30 days respectively. In how many days can they complete 90% of the project if they work together?

In a colored picture of blue and yellow color, blue and yellow color is used in the ratio of 4:3 respectively. If in upper half, blue : yellow is 2:3, then in the lower half blue : yellow is