If the volume of sphere is 850m³ then its radius and surface area are
A. 6m, 450m²
B. 5m, 560m²
C. 2m, 780m²
D. 5.88m, 434m²
Related Questions on Chapter 7: Volume & Surface Area - Math Mcqs for Grade 7
A. Oblique Pyramids
B. Tetrahedron based pyramids
C. Pentagon based pyramids
D. Hexagon based pyramids
A cone has a circular base of radius 6m and volume 84π m³. The height of cone is
A. 7m
B. 6m
C. 8m
D. 8m
If a hemisphere has a curved surface area of 175cm² its radius is
A. 5.28cm
B. 3.45cm
C. 28.5cm
D. 45.3cm
VPQRS is rectangle based pyramid where PQ = 30cm, QR = 20cm and volume is 2000cm³, the height is
A. 20cm
B. 40cm
C. 10cm
D. 30cm