Quantitative Aptitude - Arithmetic Ability Questions

If a sum of Rs.12500 is invested for 1 year at 12% per annum interest being compounded semi­-annually, then interest earned is

When a number is increased by 105, it becomes 135% of itself. What is the number?

Point A (4 , 2) divides segment BC in the ratio 2:5. Co-ordinates of B are (2 , 6) and C are (7 , y). What is the value of y?

If a - b = -1 and ab = 6, then what is the value of a3- b3?

Select the odd word from the given alternatives.

A train has to cover a distance of 900 km in 25 hours. What should be its average speed in meters/second?

What is the average of all numbers between 11 and 80 which are divisible by 6?

A man was 32 years of age when he had his first son. His wife was 35 years of age when his son attained the age of 7 years. The difference between the age of the father and the mother is _____