Quantitative Aptitude - Arithmetic Ability Questions

If the shopkeeper sells an item at Rs 1250 which is marked as Rs 1500, then what is the discount he is offering?

Find the odd one out.

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

If a + b = 4 and ab = -5, then what is the value of a3 + b3?

What is the value of sin 75°+ sin 15°?

What approximate value should come in place of the question mark (?) in the following equation (Note: You are not expected to calculate the exact value)?(55.01+16.0003)×22.01÷10.998 =?

The value of sinθ1+cosθ + sinθ1-cosθ

What is the value of Cot 60°- Sec 45°?