Quantitative Aptitude - Arithmetic Ability Questions

The sum of the digits of a 2­digit number is 17. If we add 9 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

If cos2x + cos4x = 1, then tan2x + tan4x =

Select the odd word from the given alternatives.

Select the odd number from the given alternatives.

Four pairs of words are given. Find the odd one out.

A box of 20 items was bought for Rs. 6,400 after a discount of 20%. Find the cost of each item.

If a3+1a3 = 2, then the value of a2+1a?

If a3 + 3a2 + 9a = 1, then what is the value of a3 + (3/a)?