Quantitative Aptitude - Arithmetic Ability Questions

A discount series of 15%, 20% and 25% is equal to the single discount of?

What is the simplified value of cosec 2A + cot 2A?

If tan(A/2) = x, then the value of x is

If x - y = 6 and xy = 40, then find x2 + y2 ?

Find out the odd word/letters/number/number pair from the given alternatives.

Find the odd word/letters/number from the given alternatives.

In the following question, four number pairs are given. The number on left side of (–) is related to the number on 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 options.

If the value of a company stock drops from Rs. 25 per share to Rs. 21 per share, the percentage decrease per share is