Search
.Management Sciences
Category: Volumes
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
(more…)
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
(more…)
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
Surface area of two spheres are in the ratio 1:4 what is the ratio of their volumes?
A. 1:64
B. 1:8
C. 1:4
D. 8:1
If the radius of the sphere is doubled then it’s volume is increased by?
A. 100 %
B. 200 %
C. 700 %
D. 800 %
The diameters of two spheres are in the ratio 1:2 what is the ratio of their surface area?
A. 1:2
B. 1:4
C. 2:1
D. 4:1
Find the expenditure on digging a well 14m deep and of 3m diameter at Rs.15 per cubic meter?
A. Rs.1185
B. Rs.1285
C. Rs.1385
D. Rs.1485
(more…)
The radius of a wire is decreased to one –third if volume remains the same length will increase
A. 1 Time
B. 3 times
C. 6 times
D. 9 times
Recent Comments