Quantitative Aptitude - Arithmetic Ability Questions

What is the value of the expression a3 - 5 + 2816a, when a = 2?

The rate of simple interest per annum at which a sum of money double itself in 16 2/3 yrs is

The sum of a fraction and 7 times its reciprocal is 11/2. What is the fraction?

Deepak marks the price of his table 60% above the cost price. He gives some discount on it and earns profit of 15.2%. What is the discount percentage?

To cover a distance of 333 km in 2 hours by a car, what should be the average speed of the car (in meter/second)?

Mummy can bake 75 cakes in 15 hours, Mummy and Sister together can bake 120 cakes in 20 hours. How many cakes Sister can bake in 30 hours?

The sum of the lengths of the edges of a cube is equal to the perimeter of a square. If the numerical value of the volume of the cube is equal to the numerical value of the area of the square, then the length of one side of the square is

A bus moves at a speed of 84 km/hr after repairing and moves at a speed of 56 km/hr before repairing. It covers 2x distance in 8 hours after repairing.How much time (in hours) will it take to cover x distance before repairing?