Quantitative Aptitude - Arithmetic Ability Questions

In triangle PQR, the sides PQ and PR are produced to A and B respectively. The bisectors of ∠AQR and ∠BRQ intersect at point O. If ∠QOR = 50°, then what is the value (in degrees) of ∠QPR?

The volume of a cube is 166.375 cm3. Find its side (in cm).

There is 40% increase in an amount in 10 years at simple interest. What will be the compound interest of Rs 25000 after 2 years at the same rate?

A can do a piece of work in 8 days and B can do it in 10 days seperately. How many days would it take for both A and B to finish the same work together?

If the Arithmetic mean of 7, 5, 13, x and 9 is 10, then the value of x is

What is the slope of the line parallel to the line passing through the points (-2, -1) and (4, -3)?

There are 1400 students in a school, 25% of those wear spectacles and 2/7 of those wearing spectacles are boys. How many girls in the school wear spectacles?

If a -­ b = 6 and ab =16, then a3 -­ b3 is