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7th Grade > Mathematics

VOLUME AND SURFACE AREA MCQs

Total Questions : 14 | Page 1 of 2 pages
Question 1. Non-right pyramids are called
  1.    Oblique Pyramids
  2.    Tetrahedron based pyramids
  3.    Pentagon based pyramids
  4.    Hexagon based pyramids
 Discuss Question
Answer: Option A. -> Oblique Pyramids
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2. The volume of cone with surface area 7cm and height 14cm is
  1.    120cm³
  2.    160cm³
  3.    180cm³
  4.    200cm³
 Discuss Question
Answer: Option C. -> 180cm³
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3. A cone has a circular base of radius 6m and volume 84π m³. The height of cone is
  1.    7m
  2.    6m
  3.    8m
  4.    8m
 Discuss Question
Answer: Option A. -> 7m
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4. If a hemisphere has a curved surface area of 175cm² its radius is
  1.    5.28cm
  2.    3.45cm
  3.    28.5cm
  4.    45.3cm
 Discuss Question
Answer: Option A. -> 5.28cm
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 5. VPQRS is rectangle based pyramid where PQ = 30cm, QR = 20cm and volume is 2000cm³, the height is
  1.    20cm
  2.    40cm
  3.    10cm
  4.    30cm
 Discuss Question
Answer: Option C. -> 10cm
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 6. The volume of sphere is
  1.    (4/3)πr³
  2.    3⁄4rl
  3.    3.414ra
  4.    None of above
 Discuss Question
Answer: Option A. -> (4/3)πr³
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 7. The surface area of cone is
  1.    a²
  2.    πa²
  3.    πrl
  4.    none of above
 Discuss Question
Answer: Option C. -> πrl
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 8. The surface area of sphere is
  1.    2πr
  2.    4πr²
  3.    2πr²
  4.    6πr²
 Discuss Question
Answer: Option B. -> 4πr²
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 9. A cone with a circular base of radius 5cm and height 12cm has surface area of
  1.    204cm²
  2.    210cm²
  3.    80cm²
  4.    none of above
 Discuss Question
Answer: Option A. -> 204cm²
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 10. If the volume of sphere is 850m³ then its radius and surface area are
  1.    6m, 450m²
  2.    5m, 560m²
  3.    2m, 780m²
  4.    5.88m, 434m²
 Discuss Question
Answer: Option D. -> 5.88m, 434m²
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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