Sudhir and Shyam can do a work in 12 days, while Shyam alone can complete it in 30 days. In how many days can Sudhir complete that work alone?

The ratio of the cost of table and chair is 9 : 4. The cost of the table is Rs 1250 more than the cost of the chair. What is the cost of the chair?

If the circumference of a circle is 4.4 m, then the area of the circle (in m²) is :

Two sums are in the ratio 4:3. Both the sums are lent at 5% per annum and 10% per annum under compound interest for two years. The difference between the interest at the end of two years is Rs. 1540. What was the sum lent at 10% per annum?

Two places P and Q are 92 km apart. A train leaves P for Q and at the same time another train leaves Q for P. Both the trains meet 4 hrs after they start moving. If the train travelling from P to Q travels 7 km/hr faster than the other train, find the speed of the two trains.

θθ then the value of θθ?

What will be the difference between the compound interest and simple interest at the rate of 5% per annum on an amount of Rs 4000 at the end of 2 year?

In a business A and B gained some amount in a certain ratio. B and C received the profit in the ratio as that of A and B. If A received ₹ 6,400 and C received ₹ 10,000. Find the share of B