Quantitative Aptitude - Arithmetic Ability Questions

A discount series of 15%, 20% and 25% is equal to the single discount of?

What is the value of (sin60° + 2/√3) ?

Reflection of the point (-3,6) in the x-axis is

If 170% of a number added to 66, then the result becomes equal to twice of the number. What is the number?

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

If √(sec2A ­ 1) = x, then the value of x is

The number of pupils of a class is 55. The ratio of the number of male pupils to the number of female pupils is 5: 6. The number of female pupils is

The line passing through point (-3,1) and point (x,5) is parallel to the line passing through point (-2,-1) and point (6,3). What is the value of x?