Quantitative Aptitude - Arithmetic Ability Questions

If √(sec2A ­ 1) = x, then the value of x is

From a point P on a level ground , the angle of elevation to the top of the tower is 30° . If the tower is 100m high , the distance of point P from the foot of the tower is ( Take √3 = 1.73)

Select the odd number from the given alternatives.

The sum of ages of 4 children born at intervals of 4 years each is 60. What is the age of the youngest child?

Sita's bucket has thrice the capacity as Ramu's bucket. It takes 60 turns for Sita's bucket to fill the empty drum. How many turns it will take for both the buckets of Sita's and Ramu's, having each turn together to fill the empty drum?

In a mixture of milk and water, there is 19% milk. If the quantity of milk in the mixture is 437 mililitres, then what is the total quantity (in millilitres) of mixture?

An 80 litre mixture of water and acid contains 20% acid. How much acid should be added to make the acid 60% in the new mixture?

On selling 56 chairs, Mohan earns profit equal to the selling price of 6 chairs. What is the profit percentage?