A and B can do a work in 18 and 24 days respectively. They worked together for 8 days and then A left. The remaining work was finished by B in 

A boat goes downstream in one-third the time it takes to go upstream. Then the ratio between the speed of boat in still water and speed of the stream is

Two trains are moving in the same direction at 75 km/hr. and 48 km/hr. The faster train crosses a man sitting in the slower in 14 second. Find the length of the faster train?

Reshmi and Rahul invested Rs. 6000 and Rs. 8000 in a business for 6 months and 8 months respectively. Rahul being an working partner earned 23/4% profit out of a total profit of Rs. 36000 and after this the rest of the profit was divided according to their investments. What is Rahul's profit amount?

Directions: The bar graph shows the results of an annual examination in a secondary school in a certain year. Answer the following four questions based on this chart.

The class in which the number of boys passed is nearest to the average number of girls passed per class, is 

The perimeter of two squares are 40 cm and 32 cm. The perimeter of a third square whose area is the difference of the area of two square, is 

The edges of a cuboid are in the ratio 1 : 2: 3 and its surface area is  88 sq.cm. The volume of the cuboid is:

An amount doubles itself in 5 years simple interest. What is the rate of interest per year?