Quantitative Aptitude - Arithmetic Ability Questions

If cos 45° - ­ sec 30° = x, then value of x is

Find the odd word/number/letters from the given alternatives

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

In a week, how many times are the hands of a clock at right angles with each other?

If the sum of the digits of any integer between 100 and 1000 is subtracted from the same integer , the resulting number is always divisibleby

The diagonals of two squares are in the ratio 5:2.The ratio of their area is

If a + b = 1 and ab = -6, then what is the value of a3+ b3?

What will be the roots of the quadratic equation x2 - 25x + 156 = 0?