Quantitative Aptitude - Arithmetic Ability Questions

If x+1x = 2, then x2+1x2 = ?

If 2x-2x=1 (x≠0),then the value of x3-1x3 is

A mixture of alcohol and water contains 7% alcohol. How much mixture (in litres) is required to get 357 litres of alcohol?

Working 10 hours a day, Aman can complete a piece of work in 18 days. How many hours a day should he work so as to finish the work in 15 days?

If α + β = 90° and α:β = 2:1, then the ratio of cosα to cosβ is

If 7x - [3(2x - 3)]/2 = 1/2, then what is the value of x?

Select the odd word from the given alternatives.

In the following question, select the odd word from the given alternatives.