Volume MCQs with answers pdf for mathematics exams and test preparation. basic mathematics mcqs with answer pdf for competitive exams.
If the length, breadth and the height of a cuboid are in the ratio 6: 5: 4 and if the total surface area is 33300 cm2, then length breadth and height in cms, are respectively ?
A. 90, 75, 70
B. 90, 75,60
C. 90, 85, 60
D. 85, 75, 60A wooden box of dimensions 8m x 7m x 6m is to carry rectangular boxes of dimensions 8cm x 7cm x 6cm. The maximum number of boxes that can be carried in 1 wooden box is ?
A. 9800000
B. 7500000
C. 1000000
D. 1200000A metal sheet 27 cm long 8cm broad and 1 cm thick is melted into a cube. The difference between the surface areas of two solids is ______ ?
A. 296 cm2
B. 300 cm2
C. 284 cm2
D. 286 cm2The difference between surface areas of two solids = 502 -216 = 286 cm2.
If the volumes of two cubes are in the ratio 8: 1 the ratio of their edges is ______ ?
A. 2√2 : 1
B. 2 : 1
C. 8: 1
D. None of themRadius of a wire is decreased to one –third if volume remains the same length will increase ____ ?
A. 9 times
B. 6 times
C. 1 Time
D. 3 timesLength of the wire of 0.2mm radius that can be drawn after melting a solid copper sphere of diameter 18cm ?
A. 243 m
B. 2430 m
C. 24300 m
D. 24.3 mNumber of solid spheres each of diameter 6 cm, that could be moulded to form a solid metal cylinder of height 45 cm and diameter 4 cm is ?
A. 2
B. 4
C. 3
D. 5Radius of a circular cylinder is the same as that of a sphere. Their volumes are equal. The height of the cylinder is ____ ?
A. Equal to it’s diameter
B. 4/3 times its radius
C. 2/3 times its radius
D. Equal to it’s radiusA right cylinder and a right circular cone have the same radius and the same volume. The ratio of the height of the cylinder to that of the cone is _____ ?
A. 1: 3
B. 3: 1
C. 3: 5
D. 2: 5If the volume and surface area of a sphere is numerically the same then it’s radius is _____ ?
A. 4 units
B. 3 units
C. 1 unit
D. 2 units