If the sides of a cube are in the ratio 4:3. What is the ratio of their diagonals?
A. 4:3
B. 16:9
C. 64:27
D. 3:4
Volumes · Easy · 3 weeks ago
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Three cubes of metal whose edges are 9, 12 and 15 cm respectively, are melted and one new cube is made. Find the edge of the new cube?
A. 21 cm
B. 19 cm
C. 32 cm
D. 18 cm
Volumes · Easy · 3 weeks ago
The ratio between the radii of two spheres is 1:3. Find the ratio between their volumes?
A. 27:1
B. 1:27
C. 1:9
D. 9:1
Volumes · Easy · 3 weeks ago
How many shots of 1cm radius can be prepared from a sphere of 3cm radius?
A. 36
B. 64
C. 27
D. 16
Volumes · Easy · 3 weeks ago
Find the ratio between whole surfaces of a sphere and a hemisphere?
A. 3:4
B. 4:3
C. 3:1
D. 1:3
Volumes · Easy · 3 weeks ago
The curved surface of a sphere is 64 π cm2. Find its radius?
A. 1 cm
B. 2 cm
C. 4 cm
D. 3 cm
Volumes · Easy · 3 weeks ago
The slant height of a cone is 12 cm and radius of the base is 4cm, find the curved surface of the cone.
A. 74 π cm2
B. 36 π cm2
C. 48 π cm2
D. 24 π cm2
Volumes · Easy · 3 weeks ago
The area of a base of a cone is 30 cm2. If the height of the cone is 6cm, find its volume?
A. 120 cm3
B. 40 cm3
C. 50 cm3
D. 60 cm3
Volumes · Easy · 3 weeks ago
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