KBM92 Quiz
Question Number 1
If volume of a cube is 216 cm then its edge is
A. 36
B. 6
C. 12
D. 16
Question Number 2
number of surface of the same area in the cuboid are
A. 6
B. 4
C. 2
D. 3
Question Number 3
the dimension of a cuboid are 3 cm,2cm, 1cm .then the length of diagonal of the cuboid is
A. √13
B. √5
C. √10
D. √14
Question Number 4
if the diagonal of a cube is √6 cm.then its lateral surface area is
A. 6√6
B. 36
C. 12
D. 8
Question Number 5
diameter of the earth is four times the diameter of the moon then the ratio of their surface area is
A. 4:1
B. 8:1
C. 16:1
D. 2:1
Question Number 6
If the surface area of a sphere is 676π cmthen its radius is equal to
A. 12
B. 13
C. 9
D. 8
Question Number 7
ratio of the volume of a cone and a cylinder of same radius of base and same height is
A. 1:1
B. 1:2
C. 1:3
D. 1:4
Question Number 8
A basket ball is just packed in a cube of side 20 cm.then the surface area of the basket ball is
A. 400π cm
B. 800π cm
C. 1200π cm
D. 1600π cm
Question Number 9
if the radius of a sphere is 2r, then its volume will be
A. 32/3 πr
B. 4 πr
C. 8/3 πr
D. 4/3 πr
Question Number 10
in a cylinder, radius is double and height is halved , curved surface area will be
A. same
B. halved
C. doubled
D. four times