Billabong High International School,
Bhoomi Park, Bafhira Nagar, Malad West,Mumbai –400095
Email –info.malad@billabonghigh.com Contact : 02229673217 /18/19 /23
Chapter 14: Mensuration
Subject: Mathematics Topical Worksheet -12 Grade: 8
OBJECTIVE TYPE QUESTIONS (1 MARK EACH)
1. Find the length of the diagonal of a rectangle whose area is 48 cm2 and breadth is 6 cm.
i. 11 cm ii. 12 cm iii. 10 cm iv. 9 cm
2. If the circumference of a circle is 110 cm, find its radius.
i. 17 cm ii. 18.5 cm iii. 17.5 cm iv. 16.5 cm
3. Find the volume of a cuboid with length of 24 m, breadth of 20 m and height of 5.5 m.
i. 2640 m3 ii. 2240 m3 iii. 2740 m3 iv. 2540 m3
4. Find the lateral surface area of a cuboid which is 12 m long, 8 m broad and 4.5 m high.
i. 185 cm2 ii. 184 cm2 iii. 181 cm2 iv. 180 cm2
5. If the edge of a cube is 2 cm, then find its total surface area.
i. 14 cm2 ii. 26 cm2 iii. 24 cm2 iv.none of these
VERY SHORT ANSWER QUESTIONS (2 MARKS EACH)
6. The volume of a right circular cylindrical container is 440 cm3 and its height is 35 cm.
Find the radius of its base.
7. Find the number of wooden cubes of side 5 cm that can be packed in a carton 50 cm
long, 20 cm wide and 30 cm high.
8. The parallel sides of a trapezium are 20 cm and 17 cm and the distance between them is
7.6 cm. Find the area of the trapezium.
9. The length of parallel sides of a trapezium are in the ratio of 5 : 3 and the distance
between them is 12.5cm. If the area of the trapezium is 450 cm2, then find the length of
its parallel sides.
10. Find the area of the quadrilateral PQRS.
SHORT ANSWER QUESTIONS (3 MARKS EACH)
11. Find the area of a rhombus with side 17 cm, one of whose diagonals is 30 cm.
Billabong High International School,
Bhoomi Park, Bafhira Nagar, Malad West,Mumbai –400095
Email –info.malad@billabonghigh.com Contact : 02229673217 /18/19 /23
Chapter 14: Mensuration
Subject: Mathematics Topical Worksheet -12 Grade: 8
12. Six solid cubical stools with edge 60 cm are to be painted blue on all the sides. Find the
quantity of paint required to paint 6 cubical stools if one can of paint is required to paint
1200 cm2 of area.
13. Find the volume, total surface area and lateral surface area of a cube shaped box whose
edges measure 45 cm.
14. Two cylinders of same volume have their radii in the ratio 1 : 6. Then,find the ratio of
their heights.
15. Find the perimeter of the given figure.
LONG ANSWER QUESTIONS (4 MARKS EACH)
16. Find the area of shaded portion:
17. The sum of radius of the base and height of a solid cylinder is 37 m. If the total surface
area of the cylinder is 1628 sq.m., then find its volume.
Billabong High International School,
Bhoomi Park, Bafhira Nagar, Malad West,Mumbai –400095
Email –info.malad@billabonghigh.com Contact : 02229673217 /18/19 /23
Chapter 14: Mensuration
Subject: Mathematics Topical Worksheet -12 Grade: 8
18. Find the area of a regular hexagon in which each
side measures 29 cm and whose height is 69 cm.
19. Find the area of a trapezium ABCD whose parallel sides are AB = 15 cm, DC = 9 cm, non-
parallel sides AD and CB is 6 cm and area of (ΔCEB)is 24 cm2.
20. The dimensions of a cuboid are in the ratio 1:2:3 and its total surface area is 88 m2. Find
its dimensions.
