Page 215 - Math Skill - 5

Practice Paper for Safal Examination - 2025 5

3. In Fig 2, right hand is showing which kind of angle? [2]

(a) Obtuse angle (b) Right angle (c) Acute angle (d) none of these
4. In Fig-3 which kind of angle shown by legs and arms? [1]

(a) Right angle (b) More than right angle
(c) Less than right angle (d) none of these

Case Study - 6

Heena wants to make over her room with new
construction. Each window of the room is of the 4 m
size 150 cm × 50 cm and each door is of the size
220 cm × 90 cm. She also wants to paint the room
with different color. 5.4 m
8.6 m
Based on the above information, answer the following questions:

1. What is the area of 4 walls after leaving all doors and window? [2]
(a) 117.08 m (b) 105.04 m (c) 185 m (d) 776 m 2
2
2
2
2. Find the area of all the windows. [1]
(a) 0.75 m (b) 75 m (c) 30000 cm (d) 30000 m 2
2
2
2
3. Find the area of all the doors. [1]
(a) 396 cm (b) 1.08 m (c) 770 cm (d) 3.96 m 2
2
2
2
4. How many tiles can be placed on the floor if the size of tile is 60 × 120 cm? [1]
(a) 65 (b) 90 (c) 72 (d) 80

Case Study - 7

Rahul is a 10-year child playing with his spinner and finds that it is same after every spin.
Also observe that half part is same as next half. Talking these facts with his mother looks very
curious. Mother explained reflection is the flipping of a figure or object over a line. A rotation
is the turning of a figure or object around a fixed point.
Based on the above information, answer the following questions:

1. Which figure has no line of symmetry? [2]
?

(a) (b) (c) (d)

2. Which type of symmetrical line below fig has? [1]
(a) Horizontal (b) Vertical

(c) Both (d) None