Quantitative Aptitude - Arithmetic Ability Questions

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

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

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

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

The value of 1+tan2∅(1-sin2∅) is

Find the radius of the circle if the length of its arc is 33 cm whose corresponding central angle is 90° ?

Find the odd one out.

Which of the following numbers is completely divisible by 99?