Quantitative Aptitude - Arithmetic Ability Questions

If cos -225° = x, then the value of x is

A shopkeeper marks up his wares by 60% and offers 10% discount. What will be the selling price (in Rs) if the cost price is Rs 7500?

Which of the following ratio is greatest?

If P : Q : R = 6 : 7 : 8 and R : S = 3 : 5, then what is P : S?

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

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

In ΔABC, ∠B=90 deg and BC= √3 AB. Find the measurement of ∠A

The perimeter and the breadth of a rectangle are 44 cm and 10 cm respectively. Find its area (in cm2).