Quantitative Aptitude - Arithmetic Ability Questions

If secA/√(sec2A ­- 1) = x, then value of x is

tan2Asin2Ais equal to

Triangle DEF is right angled at E. If cot D = 5/12, then what is the value of sin F?

Which single discount will be equal to two successive discounts of 12% and 5%?

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 alternatives.

If (tanA ­- tanB)/(1 + tanAtanB) = x, then the value of x is

If the shopkeeper sells an item at Rs 4400 which is marked as Rs 5000, then what is the discount that he is offering?

The slopes of two lines are 1 and √3. What is the angle between these two lines?