Quantitative Aptitude - Arithmetic Ability Questions

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?

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

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

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 [7(5x/3 - 3/2)]/2 + 3/2 = 1/4, then what is the value of x?

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

If Rs. 2,000 is invested at the rate of 20% per annum, compounded half-yearly, then the amount after 18 months will be: