Quantitative Aptitude - Arithmetic Ability Questions

What is the value of (cos 45 - 1/3) ?

In the following question, select the odd letters from the given alternatives.

Select the odd number from the given alternatives.

The value of tan 315° cot (­ -405° ) is equal to

In ΔABC measure of angle B is 90 deg. If cosA = 5/13, and AB = 10 cm, then what is the length (in cm) of side BC?

Given a -­ b = 2, a3 - b3=26 then (a + b)2 is

A dealer marks his goods 20% above cost price. He then allows some discount on it and makes a profit of 8%. The rate of discount is

A solid sphere of radius 3 cm is melted to form a hollow right circular cylindrical tube of length 4 cm and external radius 5 cm. The thickness of the tube is