Skip to content
Philoid
Browse Saved
Back to chapter
Mathematics
18. Surface Area and Volume of a Cuboid and a Cude
Home · Class 9 · Mathematics · Ref. Book · 18. Surface Area and Volume of a Cuboid and a Cude
Prev
Next
Q8 of 76 Page 18

A river 3 m deep and 40 m wide is flowing at the rate of 2 km per hour. How much water will fall into the sea ina minute?

Given,


Depth of river = 3m


Width of river = 40 m


Rate of flow of river = 20km/h


Length of river = distance travelled by water in 1 minute at speed 2km/h


=


So, volume of water =


More from this chapter

All 76 →
6

If the areas of three adjacent faces of a cuboid are 8 cm2, 18 cm2 and 25 cm3. Find the vlume of the cuboid.

7

The breadth of a room is twice its height, one half of its length and the volume of the room is 512 cu. Dm. Find its dimensions.

9

Water in a canal 30 dm wide and 12 dm deep, is flowing with a velocity of 100 km per hour. How much area will it irrigate in 30 minutes if 8 cm of standing water is desired?

10

Three metal cubes with edges 6 cm, 8 cm and 10 cm respectively are melted together and formed into a single cube. Find the volume, surface area and diagonal of the new cube.

Questions · 76
18. Surface Area and Volume of a Cuboid and a Cude
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
Back to chapter
ADVERTISEMENT
About Contact Privacy Terms
Philoid · 2026
  • Home
  • Search
  • Browse
  • Quiz
  • Saved