A shopkeeper offers 10% discount on every   purchase of an article. It also offers an additional discount of 12%. If the payment is made in cash. If the original price of an item is Rs. 250, how  much a customer will pay. If he wants to pay the price in cash?

Direction: Study the following table carefully to answer these questions.

What is the average number of students appeared from school B for all the years ?

Directions: Study the following table carefully to answer the questions that follow .
Number of soldiers ( in thousands ) joining five different forces during six different.

What was the average number of soldiers joining all the forces together in the year 2007? 

The angle of elevation of an aeroplane from a point on the ground is 60°. After flying for 15 second, the angle of elevation changes to 30°. If the Aeroplane is flying at a height of 4500 meter, then what is the speed (in m/s) of aeroplane?

The base of a right prism is a tringle with sides 20 cm, 21 cm and 29 cm. If its volume is 7560 cm³, then its lateral surface area ( in cm²) is:

30 persons can do a piece of work in 24 days. How many more people are required to complete the work in 20 days?

The table given below shows the information about bats manufactured by 6 different companies. Each company manufactures only plastic and wooden bats. Each company labels these bats as Brand A or Brand B. The table shows the number of plastic bats as a percentage of total bats manufactured by each company. It also shows the ratio of wooden bats labelled A and B. Each company manufactured a total 550000 bats.

Taking all 6 companies together, how many wooden bats of Brand A have been produced?

What is the total CSA of cone whose radius is 3 cm and height is 4 cm?