15. The number of line segments in the following figure is
- (A) 5
- (B) 10
- (C) 15
- (D) 20
14. Measures of the two angles between an hour and minute hands of a clock at 9 O’ clock are
- (A) 60°, 300°
- (B) 270°, 90°
- (C) 75°, 285°
- (D) 30°, 330°
13. If a bicycle wheel has 48 spokes, then the angle between a pair of two consecutive spokes is
- (A) 5 ½°
- (B) 7 ½°
- (C) 6 ½°
- (D) 7 ¼°
12. The common part between the two angles BAC and DAB in the given figure is
- (A) Line AD
- (B) Line AB
- (C) Point A only
- (D) Point B only
11. The number of common points in the two angles marked in the following figure is
- (A) 5
- (B) 7
- (C) 4
- (D) 6
10. The number of common points in the two angles marked in the given figure is
- (A) 2
- (B) 3
- (C) 4
- (D) 5
9. The number of angles less than 180° in the given figure is
- (A) 12
- (B) 13
- (C) 14
- (D) 15
8. The number of triangles in the given figure is
- (A) 7
- (B) 6
- (C) 4
- (D) 5
7. In the given figure, ∠BAC = 90° and AD ⊥ BC. The number of right triangles in the figure is
- (A) 1
- (B) 2
- (C) 3
- (D) 4
6. In the given figure, AB = BC and AD = BD = DC. The number of isosceles triangles in the figure is
- (A) 1
- (B) 2
- (C) 3
- (D) 4
5. A polygon has a prime number of sides. Its number of sides is equal to the sum of the two least consecutive primes. The number of diagonals of the polygon is
- (A) 4
- (B) 5
- (C) 7
- (D) 10
4. If the sum of two angles is equal to an obtuse angle, then which of the following is not possible?
- (A) One obtuse angle and one acute angle
- (B) One right angle and one acute angle
- (C) Two acute angles
- (D) Two right angles
3. If the sum of two angles is greater than 180°, then which of the following is not possible for the two angles?
- (A) One obtuse angle and one acute angle
- (B) One reflex angle and one acute angle
- (C) Two obtuse angles
- (D) Two right angles
2. The number of triangles in the following figure is
- (A) 10
- (B) 12
- (C) 13
- (D) 14
1. The number of obtuse angles in the following figure is
- (A) 2
- (B) 3
- (C) 4
- (D) 5