Quantitative Aptitude - Arithmetic Ability Questions

What is the simplest form of (1 + cosA)(cosecA ­ cotA)?

The 2nd and 8th term of an arithmetic progression are 17 and -1 respectively. What is the 14th term?

The HCF of 24, 60 and 90 is:

If tanA + tanB = X, then the value of X is

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

ABCD is a quadrilateral in which BD and AC are diagonals then

What is the average of 90, 250, 240, 204, and 616?

In a mixture of 45 litres, the ratio of liquid A and liquid B is 7 : 2. If 11 litres of liquid B is added to the mixture, then what will be the ratio of liquid A and liquid B in the new mixture?