The radius of the base of cone is 3 cm and height is 4 cm. Find the volume of the cone?
A. 12 π cm3
B. 6 π cm3
C. 8 π cm3
D. 10 π cm3
Volumes · Easy · 1 month ago
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Volumes
Find the ratio of the curved surfaces of two cylinders of same heights if their radii are in the ratio 1:2.
A. 1:2
B. 2:1
C. 1:4
D. 4:1
Volumes · Easy · 1 month ago
Two cylinders are of the same height. Their radii are in the ratio 1: 3. If the volume of the first cylinder is 40 cc. Find the volume of the second cylinder?
A. 360 cc
B. 60 cc
C. 300 cc
D. 36 cc
Volumes · Easy · 1 month ago
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
Volumes · Easy · 1 month ago
The radius of a cylindrical vessel is 7cm and height is 3cm. Find the whole surface of the cylinder?
A. 308 sq cm
B. 220 sq cm
C. 440 sq cm
D. 132 sq cm
Volumes · Easy · 1 month ago
The diameter of a cylindrical tin is 6cm and height is 5 cm. Find the volume of the cylinder?
A. 30 π cc
B. 45 π cc
C. 150 π cc
D. 180 π cc
Volumes · Easy · 1 month ago
The radius of a cylinder is 2 r units and height is 3 r units. Find the curved surface?
A. 18 πr2 sq units
B. 3 πr2 sq units
C. 12 πr2 sq units
D. 6 πr2 sq units
Volumes · Easy · 1 month ago
The spherical ball of lead 3 cm in diameter is melted and recast into 3 spherical balls. The diameters of two of these are 1 ½ cm and 2 cm respectively. The diameter of third ball is?
A. 2.66 cm
B. 2.5 cm
C. 3 cm
D. 3.5 cm
Volumes · Easy · 1 month ago
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