Advertisements
Advertisements
Question
10 cubic metres clay is uniformly spread on a land of area 10 ares. the rise in the level of the ground is
Options
1 cm
10 cm
100 cm
1000 cm
Advertisements
Solution
Volume of the clay to be spread,
V = 10 m3
Area on which the clay is spread
A = 10 are
= 1000 m2
Let,
h → Rise in the level of the ground
We know that,
V = A × h
`h = V/A`
` = 10/1000`
= 0.01 m
= 0.01 × 100 cm
= 1 cm
Rise in the level of the ground is 1 cm .
APPEARS IN
RELATED QUESTIONS
Parveen wanted to make a temporary shelter for her car, by making a box-like structure with tarpaulin that covers all the four sides and the top of the car (with the front face as a flap which can be rolled up). Assuming that the stitching margins are very small, and therefore negligible, how much tarpaulin would be required to make the shelter of height 2.5 m, with base dimensions 4 m × 3 m?
There are two cuboidal boxes as shown in the adjoining figure. Which box requires the lesser amount of material to make?
 |
 |
| (a) | (b) |
A rectangular diesel tanker is 2 m long, 2 m wide and 40 cm deep. How many litres of diesel can it hold?
How many bricks each of size 25 cm × 10 cm × 8 cm will be required to build a wall 5 m long, 3 m high and 16 cm thick, assuming that the volume of sand and cement used in the construction is negligible?
A solid rectangular piece of iron measures 6 m by 6 cm by 2 cm. Find the weight of this piece, if 1 cm3 of iron weighs 8 gm.
Find the surface area of a cuboid whose llength = 2 m, breadth = 4 m, height = 5 m .
If each edge of a cuboid of surface area S is doubled, then surface area of the new cuboid is
The length, breadth and height of a rectangular solid are in the ratio 5 : 4 : 2. If the total surface area is 1216 cm2, find the length, the breadth and the height of the solid.
The breadth and height of a rectangular solid are 1.20 m and 80 cm respectively. If the volume of the cuboid is 1.92 m3; find its length.
Find the length of the largest pole that can be placed in a room of dimensions 12 m × 4 m × 3 m.
