Quantitative Aptitude - Arithmetic Ability Questions

The cash difference between the selling price of an article at a profit of 4% and 6% is Rs. 3. The ratio of two selling prices is:

Divide Rs. 368 in the ratio 1:5:8:9. The rupees in the respective ratios are given by

The sum of three consecutive natural numbers each divisible by 5, is 225. The largest among them is

What is that least number that must be added to the product 684 × 686 to make it a perfect square?

Two circles are having radii 9 cm and 12 cm. The distance between their centres is 15 cm. What is the length (in cm) of their common chord?

A mixture contains spirit and water in the ratio of 3 : 2. If it contains 3 litres more spirit than water, the quantity of spirit in the mixture is

Working 10 hours a day, Aman can complete a piece of work in 18 days. How many hours a day should he work so as to finish the work in 15 days?

Among three numbers, the first is twice the second and thrice the third. If the average of three numbers is 396, then what is the difference between the first and the third number?