Class 9 (Math Assignment)

A school has 480 students. During a health check-up, 15% of the students were found to have minor health problems.

Question: How many students had minor health problems?

A shopkeeper bought a bicycle for Rs. 12,000 and sold it for Rs. 13,800.

Question: Find the profit and the profit percentage.

Rina deposited Rs. 25,000 in a bank at 8% per annum for 3 years.

Question: Find the simple interest and the total amount she will receive after 3 years.

The ratio of boys to girls in a class is 7 : 8. If there are 56 boys, how many girls are there?

A bus travels 180 km in 4 hours.

Question: Find its average speed. How long will it take to travel 270 km at the same speed?

The sum of two consecutive integers is 51.

Question: Find the two integers.

A rectangular playground is 40 m long and 25 m wide.

Question:
a) Find its area.
b) Find the cost of fencing it at Rs. 350 per metre.

The length of a rectangle is 5 m more than its width. If the perimeter of the rectangle is 50 m, find its length and width.

The marks obtained by eight students are:

45, 52, 48, 60, 55, 50, 65, 45

Question: Find:

· a) Mean

· b) Median

· c) Mode

A bag contains 5 red, 7 blue, and 8 green balls. One ball is drawn at random.

Question:
a) What is the probability of drawing a blue ball?
b) What is the probability of not drawing a green ball?

Assignments and Notice