Surface area and Volume of Cuboids

Lateral surface area of cuboid

• $2\left(l+b\right)h$

• $2\left(l+b\right)$

• $4\left(l+b\right)$

• $2\left(lb+bh+hl\right)$

Volume of cuboid

• $2\left(l+b\right)$

• $2\left(lb+bh+hl\right)$

• $lbh$

• $2\left(l+b\right)h$

Total surface area of cuboid

• $2\left(l+b\right)h$

• $2\left(lb+bh+hl\right)$

• $lbh$

• None of the above

All cubes are cuboids

• True

• False

The surface area of cuboid is 1792 sq cm. Its its length, breadth and height are in the ratio 4:2:1, then find the length of the cuboid.

• 8 cm

• 32 cm

• 12 cm

• 44 cm

The area of three adjacent faces of a cuboid are A_1, A₂ and A_3. If the volume is V, prove that V² = A_1, A₂, A₃

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A small indoor greenhouse is made entirely of glass panes including the base, it is all held with a tape. It is 30 cm long, 25 cm wide and 25 cm high. How much of tape is needed for all the 12 edges?

• 320 cm

• 425 cm

• 4250 cm

• 3250 cm

A cubical box has each edge 10 cm and another cuboidal box is 12.5 cm long, 10 cm wide and 8 cm high. (More than one answer is right)

• The Lateral surface area of one of the box is 400 cm²

• The Lateral surface area of one of the box is 360 cm²

• Total surface area of one of the box is 600 cm²

• Total surface area of one of the box is 610 cm²

A godown measures  $45m\times25m\times10m$  . If 8000 wooden crates each measuring  $1.5m\times1.25m\times0.5m$  are stored in the godown, find how many more such crates can be stored in the godown. 

A field is 70m long and 40m broad. In the corner of the field, a pit which is 10m long, 8m, broad and 5m deep, has dug out. The earth taken out of it is evenly spread over the remaining part of the field. Find the rise in the level of the field. (More than one answer is right)

• 2720 m

• 400 m

• 0.147 m

• 14.7 cm