the Median

the Upper Quartile

Number of students scoring above 65 marks.

If 10 students qualify for merit scholarship, find the minimum marks required to qualify.

From two points A and B on the same side of a building, the angles of elevation of the top of the building are 30° and 60° respectively. If the height of the building is 10m, find the distance between A and B correct to two decimal places.

Mrs. Goswami deposits Rs. 1000 every month in a recurring deposit account for 3 years at 8% interest per annum. Find the matured value.

Find the equation of a line with x intercept = 5 and passing through the point (4, -7).

In a school the weekly pocket money of 50 students is as follows:

Weekly pocket money in Rs.	40-50	50-60	60-70	70-80	80-90	90-100
No. of students	2	8	12	14	8	6

Draw a histogram and a frequency polygon on the same graph. Find the mode from the graph.

The model of a building is constructed with scale factor 1 : 30.

If the height of the model is 80 cm, find the actual height of the building in metres.

If the actual volume of a tank at the top of the building is 27m³, find the volume of the tank on the top of the model.

The speed of an express train is x km/h and the speed of an ordinary train is 12 km/h less than that of the express train. If the ordinary train takes one hour longer than the express train to cover a distance of 240 km, find the speed of the express train.

Using ruler and compasses construct