Quantitative Aptitude - Arithmetic Ability Questions

In the following question, select the odd word pair from the given alternatives.

In 3 years Rs 3000 amounts to Rs 3993 at x% compound interest, compounded annually. The value of x is

For triangle PQR, find equation of altitude PS if co-­ordinates of P, Q and R are (1,2), (2,­-1) and (0,5) respectively?

What is the value of tan 300°?

If x+3y=-3x+y, then x22y2 is equal to

A solid sphere of diameter 17.5 cm is cut into two equal halves. What will be the increase (in cm2) in the total surface area?

What will be the equation of the perpendicular bisector of segment joining the points (5,­3) and (0,2)?

The sum of squares of three positive integers is 323. If the sum of squares of two numbers is twice the third, their product is