SSC CGL Geometry and Mensuration Practice Test 3
15 more SSC CGL geometry and mensuration questions on circles, polygons, solids, and angles.
Leaderboard slot above the practice session for revision tools, test series, books, and career products.
SSC CGL Geometry and Mensuration Practice Test 3
15 more SSC CGL geometry and mensuration questions on circles, polygons, solids, and angles.
Preview all 15 questions in SSC CGL Geometry and Mensuration Practice Test 3 (no login required)
- Triangle
1. The sum of exterior angles of any polygon taken one at each vertex is:
- A. 180°
- B. 270°
- C. 360° (Correct)
- D. 540°
Explanation: The sum of one exterior angle at each vertex is always 360°.
- Rectangle
2. Perimeter of a rectangle of length 14 cm and breadth 5 cm is:
- A. 28
- B. 34
- C. 38 (Correct)
- D. 42
Explanation: Perimeter = 2(l+b) = 2 x 19 = 38.
- Circle
3. Circumference of a circle of diameter 14 cm is:
- A. 7pi
- B. 14pi (Correct)
- C. 21pi
- D. 28pi
Explanation: Circumference = pi x diameter = 14pi.
- Circle
4. Area of a circle of diameter 14 cm is:
- A. 49pi (Correct)
- B. 98pi
- C. 154pi
- D. 196pi
Explanation: Radius = 7, so area = pi x 7^2 = 49pi.
- Square
5. Perimeter of a square of side 13 cm is:
- A. 39
- B. 46
- C. 52 (Correct)
- D. 56
Explanation: Perimeter = 4 x 13 = 52.
- Triangle
6. Area of a triangle with base 16 cm and height 7 cm is:
- A. 48
- B. 52
- C. 56 (Correct)
- D. 60
Explanation: Area = 1/2 x 16 x 7 = 56.
- Cube
7. Total surface area of a cube of side 6 cm is:
- A. 180
- B. 196
- C. 216 (Correct)
- D. 240
Explanation: TSA = 6a^2 = 6 x 36 = 216.
- Cuboid
8. Volume of a cuboid 8 cm x 5 cm x 3 cm is:
- A. 100
- B. 110
- C. 120 (Correct)
- D. 130
Explanation: Volume = 8 x 5 x 3 = 120.
- Cylinder
9. Curved surface area of a cylinder of radius 7 cm and height 10 cm is:
- A. 70pi
- B. 98pi
- C. 140pi (Correct)
- D. 196pi
Explanation: CSA = 2pi rh = 2 x pi x 7 x 10 = 140pi.
- Polygon
10. Each interior angle of a regular octagon is:
- A. 120°
- B. 135° (Correct)
- C. 140°
- D. 150°
Explanation: Interior angle of regular octagon is 135°.
- Semicircle
11. Perimeter of a semicircle of radius 7 cm is:
- A. 7pi
- B. 14 + 7pi (Correct)
- C. 14pi
- D. 28 + 7pi
Explanation: Perimeter = diameter + half circumference = 14 + 7pi.
- Triangle
12. If two angles of a triangle are 55° and 65°, the third angle is:
- A. 50°
- B. 55°
- C. 60° (Correct)
- D. 65°
Explanation: Sum of angles in a triangle is 180°.
- Sphere
13. Volume of a sphere of radius 3 cm is:
- A. 12pi
- B. 24pi
- C. 36pi (Correct)
- D. 48pi
Explanation: Volume = 4/3 pi r^3 = 4/3 x pi x 27 = 36pi.
- Diagonal
14. Diagonal of a rectangle of length 6 cm and breadth 8 cm is:
- A. 8
- B. 9
- C. 10 (Correct)
- D. 12
Explanation: Diagonal = sqrt(6^2 + 8^2) = sqrt(100) = 10.
- Area
15. Area of a trapezium with parallel sides 8 cm and 12 cm, height 5 cm is:
- A. 40
- B. 45
- C. 50 (Correct)
- D. 55
Explanation: Area = 1/2 x (8+12) x 5 = 50.