Quantitative Aptitude - Arithmetic Ability Questions

A T.V was sold at a profit of 5% If it had been sold at a profit of 10% , the profit would have been Rs. 1000 more. What is its cost price ?

At what percentage above the cost price must an article be marked so as to gain 33% after allowing a customer a discount of 5%?

If two successive discounts of 30% and 10% are given, then what will be the ratio of marked price to selling price?

The average of 8 consecutive natural numbers is 38.5. What is the largest of these 8 numbers?

In the given figure, PQRS is a square and SRT is an equilateral triangle. What is the value (in degrees) of angle SOR?

In ΔPQR, S and T are points on side PQ and PR respectively. ST is parallel to QR. If lengths of PS, SQ and PR are 6 cm, 9 cm and 12.5 cm respectively, what is the length of TR?

The total surface area of a hemisphere is 4158 cm2. Find its diameter (in cm).

What is the sum of all natural numbers between 100 and 400 which are divisible by 13?