Quantitative Aptitude - Arithmetic Ability Questions

What is the simplified value of (sec4 A – tan2 A) – (tan4 A + sec2 A)?

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 16854, and Rs 17865.24 respectively, what is the rate of interest?

The mean of the data 2, 9, 9, 3, 6, 9, 4 is

Select the odd word/letters/number/number pair from the given alternatives.

What is the value of sec 5π/4?

Two fractions are such that their product is ­2/5 and sum is 1/15. What are the two fractions.

Find the greatest four digit number when divided by 8, 12, 16 leaves 2 as remainder in every case?

Two pipes, when working one at a time can fill a cistern in 2 hrs and 3 hrs, respectively while a third pipe can drain the cistern empty in 6 hrs. All the three pipes were opened together when the cistern was 1/6 full. How long will it take for the cistern to be completely full?