Quantitative Aptitude - Arithmetic Ability Questions

If a + b = 8 and ab =15, then a3 + b3 is

If secA -­ tanA = x, then the value of x is

If sum of the roots of a quadratic equation is ­-7 and product of the roots is 12. Find the quadratic equation.

A certain amount of money is divided between A and B in the ratio of 5:6. If B gets Rs. 360, the amount is

20 kg of a mixture of wheat and husk contains 5% husk. How many kg more of husk must be added to make the husk content 20% in the new mixture?

Simple interest on a sum for 5 years is equal to 20% of the principal. In how many years interest will be equal to the principal?

A certain sum of money becomes 4 times of itself in 30 years at a rate of simple interest. In how many years it will become double of itself at the same rate of simple interest?

Rs. 3105 is due to be divided among K, L and M in the proportion of 2/3 : 3/4 : 1/2 respectively. How much will L get?