Page 294 - ICSE Math 7

30. The measure of the angle between two perpendicular lines is ___________.
(a) 90° (b) 180° (c) 0° (d) 270°
31. Which of the following sets can be three angles of a triangle?

(a) 48°, 53°, 78° (b) 56°, 63°, 51° (c) 46°, 56°, 38° (d) 75°, 45°, 60°
32. Which of the following sets can be three sides of a triangle?
(a) 7 cm, 2 cm, 5cm (b) 4 cm, 3 cm, 5 cm
(c) 9 cm, 5 cm, 3 cm (d) 4.5 cm, 2.5 cm, 1.5 cm
33. Which congruence condition shows that the following A P
triangles are congruent?
(a) SAS (b) ASA

(c) AAA (d) RHS
B C Q R
34. If DPQR ≅ DDEF, which of the following is correct?
(a) QR = DE (b) ∠Q = ∠F (c) ∠P = ∠E (d) RQ = FE
35. How many lines of symmetry does an isosceles triangle have?
(a) 1 (b) 2 (c) 3 (d) none
36. The reflection of point (–2, 3) in x-axis is ____________.
(a) (2, 3) (b) (–2, –3) (c) (2, –3) (d) (3, –2)

37. Which of the following is correct?
(a) E + V + 2 = F (b) F + 2 = E + V (c) F + V = E + 2 (d) F + V = E – 2
38. The number of edges in a polyhedron having 10 faces and 12 vertices is ______________.
(a) 14 (b) 16 (c) 18 (d) 20
39. Which of the following angles can be constructed using ruler and compass?
(a) 10° (b) 40° (c) 110° (d) 22.5°
40. The number of line segments that can be formed using 4 collinear points __________.
(a) 3 (b) 4 (c) 6 (d) unlimited
2
41. The length of the side of square whose area is 12.96 m is ___________.
(a) 3.6 cm (b) 26 m (c) 36 m (d) 3.6 m
42. The length of a rectangle whose perimeter is 48 cm and breadth 9 cm is ___________.
(a) 15 cm (b) 18 cm (c) 24 cm (d) 39 cm
43. Which of the following is obtained by dividing the sum of all the observations in the given data
by the total number of observations?
(a) Frequency (b) Mean (c) Data (d) Mode

44. The frequency represented by is ____________.
(a) 11 (b) 12 (c) 14 (d) 13
45. What is the probability of choosing a red ace from a well-shuffled deck of 52 playing cards?
1 13 4 3
(a) (b) (c) (d)
26 52 52 26
46. A bag contains 15 marbles of which 8 are red and 2 are blue. One marble is drawn at random.
What is the probability that it is not red?
1 7 8 10
(a) (b) (c) (d)
5 15 15 15

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