Mathematics MCQs

Page No. 5

A river 2m deep and 45 m wide is flowing at the rate of 3 kmph the amount of water that runs into the sea per minute is?


a4500 M3


b27000 M3


c3000 M3


d2700 M3


View Answer 4500 M3

A tank 3 m long, 2 m wide and 1.5 m deep is dug in a field 20 m long and 14 m wide. If the earth dug out is evenly spread out over the field, the level of the field will raise by nearly?


a0.299 cm


b0.29 cm


c2.98 cm


d4.15 cm


View Answer 2.98 cm

The area of the cardboard(in cm2) needed to make a box of size 25 cm * 15 cm * 8 cm will be__________?


a1390 cm2


b695 cm2


c1280 cm2


d1220 cm2


View Answer 1390 cm2

The length of the longest rod that can fit in a cubical room of 4 m side is?


a8.66 m


b5.196 m


c6.928 m


d7.264 m


View Answer 6.928 m

A cylinder and a cone have a same height and same radius of the base. The ratio between the volumes of the cylinder and cone is__________?


a1:3


b3:1


c1:2


d2:1


View Answer 3:1

If the height of a cone is increased by 100% then its volume is increased by_________?


a100%


b200%


c300%


d400%


View Answer 100%

In digging a pond 20 m * 10 m * 5 m the volumes of the soil extracted will be_________?


a100 cu.m


b1000 cu.m


c10000 cu.m


d2000 cu.m


View Answer 1000 cu.m

A brick measures 20 cm * 10 cm * 7.5 cm how many bricks will be required for a wall 25 m * 2 m * 0.75 m?


a24000


b23000


c22000


d25000


View Answer 25000

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?


a500


b1000


c900


d600


View Answer 1000

Calculate the number of bricks, each measuring 25 cm * 15 cm * 8 cm required to construct a wall of dimensions 10 m * 4 m * 5 m when 10% of its volume is occupied by mortar?


a4000


b5000


c6000


d7000


View Answer 6000

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