Quantitative Aptitude - Arithmetic Ability Questions

What is the value of ( 1/2 - cot45) ?

If 5x + 5 > 2 + 2x and 5x + 3 ≤ 4x + 5; then x can take which of the following values?

Sumit and Amit undertook a work for Rs 7200. Sumit alone can do the work in 5 days and Amit alone can do the work in 4 days. If they work together,then what will be the difference (in Rs.) in the amount they receive?

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

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

In an army selection process, the ratio of selected to unselected was 5:1. If 100 less had applied and 20 less selected, the ratio of selected to unselected would have been 6:1. How many candidates had applied for the process?

In what ratio is the segment joining (12,­1) and (-­3,4) divided by the Y­-axis?