A. 1390 cm2
B. 695 cm2
C. 1280 cm2
D. 1220 cm2
Related Mcqs:
- The dimensions of an open box are 52, 40 and 29 cms. Its thickness is 2 cms. If 1 cm3 of metal used in the box weighs 0.5 gms, the weight of the box is________?
A. 8.56 kg
B. 7.76 kg
C. 7.756 kg
D. 6.832 kg - A 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. 1200000
B. 1000000
C. 9800000
D. 7500000 - Product of two co-prime numbers is 117. Their L.C.M should be__________?
A. 1
B. 117
C. equal to their H.C.F
D. Cannot be calculated - Surface area of a sphere is 2464 cm2. If its radius is doubled, then the surface area of _________?the new sphere will be
A. 4920 cm2
B. 4727 cm2
C. 9856 cm2
D. 19712 cm2 - If in a box of dimensions 6 m * 5 m * 4 m smaller boxes of dimensions 60 cm * 50 cm * 40 cm are kept in it, then what will be the maximum number of the small boxes that can be kept in it?
A. 500
B. 1000
C. 900
D. 600 - The areas of two similar triangles are 12 cm2 and 48SQ. cm .If the height of the smaller one is 2.1cm than the corresponding height of the bigger one is_________?
A. 0.525cm
B. 4.2cm
C. 80%
D. 60% - A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If four marbles are picked at random, what is the probability that none is blue?
A. 17/91
B. 33/91
C. 51/91
D. 65/91 - A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If three marbles are picked at random, what is the probability that they are all blue?
A. 1/455
B. 2/455
C. 1/91
D. 4/455 - A covered wooden box has the inner measure as 115cm 75cm and 35cm and the thickness of wood is 2.5cm. The volume of the wood is____________?
A. 81000cu.cm
B. 81775cu.cm
C. 82125cu.cm
D. None of these - The product of the area of three adjacent faces of a rectangular box is equal to___________?
A. the volume of the box
B. Twice the volume of the box
C. the square of the volume of the box
D. Cube root of the volume of the box
