Quantitative Aptitude - Arithmetic Ability Questions

What is the simplified value of (cos A + sin A)(cot A + tan A)?

Pipe A can empty a filled tank in 28 hours while Pipe B can fill the same tank, when empty in 35 hrs. If alternatively Pipes A and B are turned on for an hour each time, starting when the tank is full, how long will it take to empty the tank?

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 4% per annum is Rs 8. The sum is ______.

In the following question, select the odd word pair 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 alternatives.

Which of the following ratio is greatest?

If Cot θ = 24/7, then Sin θ = ?

What is the simplified value of 22433+393-11253?