Quantitative Aptitude - Arithmetic Ability Questions

If 5 ­ 3x < 4 ­ x and 5(2 ­ x) > 2 ­ 2x, then x can take which of the following values?

If cos 135° = x, then the value of x is

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

A sum of Rs 6000 becomes Rs 7200 in 2 years, when invested in a scheme of simple interest. If the same sum is invested in a scheme of compound interest with same yearly interest rate (compounding of interest is done yearly), then what will be the amount (in Rs) after 3 years?

12 men and 16 women together can complete a work in 4 days. It takes 80 days for one man alone to complete the same work, then how many days would be required for one woman alone to complete the same work?

The mean of 10 observations is 13. Two more observations are included and the new mean becomes 14. The mean of two new observations is

If a is positive and a2+1a2 = 7, then a3 + 1a3 = ?

If (tanA ­- tanB)/(1 + tanAtanB) = x, then the value of x is