Quantitative Aptitude - Arithmetic Ability Questions

When a number is increased by 24, it becomes 110% of itself. What is the number?

What is the LCM of 64 and 56?

In ∆ABCif the median AD=1/2 BC, then ∠BAC is

If a + b = 3 and ab = -4, then what is the value of a3 + b3?

If a - b = 2 and ab = 24, then what is the value of a3- b3?

The average age of A and B is 18 years. After 3 years, C joins them and the average ages of A, B and C becomes 22 years. The age of C is ?

A car travelling at an average speed of 72 km/hr takes 9 minutes to travel a certain distance. By how much should it increase its speed (in km/hr) to travel the same distance in 8 minutes?

Nine years later, age of B will be equal to the present age of A. Sum of A's age 3 years later and B's age 4 years ago is 76. If C is half of the present age of B, then what will be C's age (in years) after 10 years?