Quantitative Aptitude - Arithmetic Ability Questions

If 2secA - (1 + sinA)/cosA = x, then the value of x is

If C = 1200 and D = 1500, then D is how much percent more than C?

If 5(4­-x) - ­4 < 3x - ­2 > 4x - 6; then the value of x is

If 2cosec2A = x, then the value of x is

In an army selection process, the ratio of selected to unselected candidates was 4:1. If 90 less had applied and 20 less selected, the ratio of selected to unselected would have been 5:1. How many candidates had applied for the process?

Select the odd word from the given alternatives.

If (x+1/x) = 5, then the value of 5xx2+5x+1?

20 boys do one fourth of work in 25 days. How many more boys will be required to complete the remaining work in 50 days?