Quantitative Aptitude - Arithmetic Ability Questions

If a - b = 5 and a2 + b2 = 97, ab = ?

In the following question, select the odd word pair from the given alternatives.

The interest earned on Rs. 3675 at the rate of 4% simple interest per annum for 2 years will be

A man purchased a cycle for Rs.3000/- and agreed to pay 12% on the amount as interest. He repaid principal and interest in 12 equal monthly installments. Find the amount of each installment.

A cylindrical vessel of radius 8 cm is partially filled with water. By how much will the water level rise if a sphere of radius 7 cm is completely immersed in this water?

An object travels 24 m in 3 s and then another 15 m in 2 s. What is the average speed of the object?

What is the simplified value of 1cosec A + cot A2 ?

In the following question, select the odd letter from the given alternatives.