Quantitative Aptitude - Arithmetic Ability Questions

A table tennis player, lost 12 games out of 18 games played. Calculate the games won in terms of decimal.

Find out the odd word/letters/number/number pair from the given alternatives.

If cos ­-11π/6 = x, then the value of x is

If x+1/x = 2, then the value of x7+2/x6 is equal to?

If πsinθ= 1, πcosθ= 1, then (3tan 23θ+1) is

Mehdi can complete a work in 25 hours. If he is joined by Jahnavi who is 50% more efficient, in what time will they together finish the work?

A and B together can complete a piece of work in 12 days. They worked together for 5 days and then A alone finished the rest work in 14 days. A alone can complete the work in _____.

Raj purchased two laptops, first for Rs 42500 and the second for Rs 36200. He sold first laptop at a profit of 12% and the second laptop at a loss of 12%.What is the overall profit or loss?