Question

a) A boy who is reading 20 pages of a book per day can finish it in 1 month. How many days

will he take if he reads 30 pages per day?

b) 20 workers can dig a well in 6 days. If 10 more workers join the group, how many days faster

the well can be dig?

c) The radius and height of a cylinder are in the ratio 7:2. If the volume of the cylinder is

8.3163

. Find the total surface area of the cylinder.

d) A swimming pool is 15m in length ,15 m in breadth and also 15m in depth. Find out the cost

of cementing its floor and wall at the rate of Rs. 16per 2

.

Q5. Project : ( 10 marks)

A) Draw the figure of given shape and write the formula for calculating there Area and Perimeter

( in tabular form):

Triangle,Parallelogram, Circle, Trapezium, General Quadrilateral, Special Quadrilateral (rhombus).

B) Draw the figure of given solid shapes and write the formula for calculating Total surface area,

Lateral surface area and Volume of:

Cube , Cuboid , Cone, Cylinder.

_________________________________________x_______________________________​

Answer 1

P o r n S E X S U H A G R A T MARK ME AS BRAINLIST B H E N C O D