Quantitative Aptitude - Arithmetic Ability Questions

Find the total surface area (in cm²) of a right circular cylinder of diameter 42 cm and height 14 cm

A circle of diameter 26 cm having the two equal chords of length 10 cm is separated by a distance x cm. Calculate the distance x.

The variance of a set of data is 121. Then the standard deviation of the data is

If (1 + sinA)/cosA + cosA/(1 + sinA) = x, then the value of x is

If the 3rd and the 5th term of an arithmetic progression are 13 and 21, what is the 13th term?

An angle is 30 deg more than one half of its complement. Find difference between the greater and the smaller angles.

What is the distance between the points (4,­-8) and (­-2,0)?

Determine the largest 4 digit number which is a perfect square.