Quantitative Aptitude - Arithmetic Ability Questions

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

If cot 240° = x, then the value of x is

What is the value of (tan60 + 1/3) ?

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.

The price of a chair is Rs. 500. It has been sold at two succesive discounts of 10% each. What is its selling price?

If the cost price of 20 books is the same as selling price of 25 books, then the loss percentage is

Two circles of same radius intersect each other at P and Q. If the length of the common chord is 30 cm and distance between the centres of the two circlesis 40 cm, then what is the radius (in cm) of the circles?

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 4% per annum is Rs 8. The sum is ______.