Quantitative Aptitude - Arithmetic Ability Questions

In the first 38 overs of a cricket match, the run rate was 4.5 runs/over. Calculate the required run rate in the remaining 12 overs to reach the target of 288 runs?

If a taxi going at 40 km/hr takes 25 minutes to travel a certain distance, by how much should it increase its speed (in km/hr) to travel the same distance in 20 minutes?

A invested an amount of x rupees in a bank for 2 years which gave 5% interest in year 1 and 6% interest in year 2. The amount received after 2 years is Rs 24,486. What is the value of x?

The ratio of two numbers is 3 : 7. If their product is 1344, then what is the sum of both the numbers?

If the shopkeeper sells an item at Rs 960 which is marked as Rs 1200, then what is the discount he is offering?

At what rate of compound interest (in %) per annum will a sum of Rs. 15,000 become Rs. 18,150 in 2 years?

If the successive discounts be 20% , 10% and 5% , then the single equivalent rate of discount is

The area of a rectangle is 120 sq cm and its perimeter 140 cm. What is the length of its diagonal?