Quantitative Aptitude - Arithmetic Ability Questions

The age of A is three times the age of B. What is the ratio of the age of B to the age of A?

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?

What is the reflection of the point (5, 2) in the line x = -3?

What is the value of 299996 x 300004?

What is the equation of the line passing through the point (0,­4) and making an angle of ­45° with the positive x­axis?

The curved surface area and the slant height of a right circular cone are 858 cm² and 13 cm respectively. Find its diameter (in cm).

Which of the following will give a terminating decimal?

The average of ten numbers is 18. If one number is removed, then the average becomes 16, then what is the removed number?