Quantitative Aptitude - Arithmetic Ability Questions

Find equation of the perpendicular bisector of segment joining the points (2,­6) and (4,0)?

Pipe A can fill an empty cistern in 4 hours while along with Pipe B it can fill it up in 3 hours. Only Pipe A is turned on for an hour after which Pipe B is also turned on. How much total time will it take to fill up the cistern?

Ms. Alina borrowed Rs.650 at 6% per annum simple interest. What amount will she pay to clear her debt after 4 years?

The average revenues of 13 consecutive years of a company is Rs 82 lakhs. If the average of first 7 years is Rs 77 lakhs and that of last 7 years is Rs 89 lakhs, find the revenue for the 7th year.

The product of two numbers is 40. One of them is 2.50. What is the other number?

The number of students in a class is increased by 20% and the number now becomes 66. Initially the number was

If  x=2+32-3, then what is the value of x+1/x ?

The interest earned on Rs. 3675 at the rate of 4% simple interest per annum for 2 years will be