Surface area of a sphere is 2464 cm2. If its radius is doubled, then the surface area of ?
A. 4727 cm2
B. 19712 cm2
C. 4920 cm2
D. 9856 cm2
Volumes Mcqs
Volume MCQs with answers for mathematics exams and test preparation.
Area of a base of a cone is 30 cm2. If the height of the cone is 6cm, find its volume ?
A. 60 cm3
B. 50 cm3
C. 120 cm3
D. 40 cm3
Slant height of a cone is 12 cm and radius of the base is 4cm, find the curved surface of the cone .
A. 36 π cm2
B. 24 π cm2
C. 74 π cm2
D. 48 π cm2
Curved surface of a sphere is 64 π cm2. Find its radius ?
A. 3 cm
B. 4 cm
C. 1 cm
D. 2 cm
Find the ratio between whole surfaces of a sphere and a hemisphere ?
A. 4:3
B. 1:3
C. 3:4
D. 3:1
How many shots of 1cm radius can be prepared from a sphere of 3cm radius ?
A. 27
B. 64
C. 23
D. 36
Ratio between the radii of two spheres is 1:3. Find the ratio between their volumes ?
A. 1:9
B. 9:1
C. 1:27
D. 27:1
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. 27 cm
B. 18 cm
C. 21 cm
D. 19 cm
If the sides of a cube are in the ratio 4:3. What is the ratio of their diagonals ?
A. 64:27
B. 3:4
C. 4:3
D. 16:9
A rectangular courtyard, the sides of which are in the ratio of 4:3, cost Rs.600 for paving at 50 p per m2; find the length of the diagonal of the courtyard ?
A. 50 m
B. 25 m
C. 35 m
D. 50 m