Quantitative Aptitude - Arithmetic Ability Questions

If "basis points" are defined so that 1 percent is equal to 100 basis points, then by how many basis points is 82.5 percent greater than 62.5 percent?

Select the odd number from the given alternatives.

If (1 + cosA)/(1 - cosA) = x, then x is

9997 x 10003 = ?

Select the odd number from the given alternatives.

Mukesh got series of discount 30%, 25%, 15% on his shirt. Find out the single equivalent discount.

A balloon leaves from a point P rises at a uniform speed. After 6 minutes, an observer situated at a distance of 450√3 metres from point P observes that angle of elevation of the balloon is 60 deg. Assume that point of observation and point P are on the same level. What is the speed (in m/s) of the balloon?

If a+1a=1,then the value of a2-a+1a2+a+1 is a≠0