Page 187 - Ganit Kaushal

Chapter Test

I. Multiple Choice Questions (MCQS)

1. The length of a rectangular field is 600 m, and the breadth is 350 m. The perimeter of the field is
(a) 1800 m (b) 1900 m

(c) 1700 m (d) 2000 m
2. The sides of a triangle are 25 cm, 20 cm and 22 cm. The perimeter of the triangle is

(a) 65 cm (b) 67 cm
(c) 60 cm (d) 70 cm

3. The area of a square of side 12 m is
2
(a) 150 m (b) 144 m 2
2
(c) 169 m (d) 175 m 2
4. The perimeter of a regular octagon of side 14 cm is
(a) 120 cm (b) 112 cm

(c) 115 cm (d) 121 cm

5. The cost of fencing around a square field is `15,000. If the cost of fencing per metre is `50, the area
of the square field is
2
(a) 5625 m (b) 5600 m 2
2
(c) 5500 m (d) 5650 m 2
6. The side of a square is 12 cm. How many times will the new perimeter become if the side of the square
is tripled?

(a) 4 times (b) 3 times
(c) 5 times (d) 6 times
7. The floor of a room is 5 m long and 4 m wide. A square carpet whose sides are 3 m in length is laid
on the floor. The area that is not carpeted is

(a) 9 sq. m (b) 10 sq. m
(c) 11 sq. m (d) 12 sq. m

II. Fill in the blanks.
1. Perimeter of a regular pentagon = _________.

2. The cost of fencing a square park of side 150 m at the rate of `30 per metre is _________.
3. The cost of fencing a rectangular park of length 150 m and breadth 100 m at the rate of `20 per metre
is _________.

4. The distance travelled by a person if he takes five rounds of the square park of side 80 m is _________.
5. The area of a rectangle whose length and breadth are 15 cm and 6 cm is _________.

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