Advertisements
Advertisements
प्रश्न
10 cubic metres clay is uniformly spread on a land of area 10 ares. the rise in the level of the ground is
विकल्प
1 cm
10 cm
100 cm
1000 cm
Advertisements
उत्तर
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
संबंधित प्रश्न
Find the volume in cubic metre (cu. m) of the cuboid whose dimensions is length = 12 m, breadth = 10 m, height = 4.5 cm.
If the length of a diagonal of a cube is `8 sqrt(3)` cm, then its surface area is
Find the length of each edge of a cube, if its volume is :
(i) 216 cm3
(ii) 1.728 m3
The length, breadth, and height of a room are 6 m, 5.4 m, and 4 m respectively. Find the area of :
(i) its four-walls
(ii) its roof.
The height of a rectangular solid is 5 times its width and its length is 8 times its height. If the volume of the wall is 102.4 cm3, find its length.
The length breadth and height of a cuboid are in the ratio of 3 : 3 : 4. Find its volume in m3 if its diagonal is `5sqrt(34)"cm"`.
A room is 5m long, 2m broad and 4m high. Calculate the number of persons it can accommodate if each person needs 0.16m3 of air.
375 persons can be accommodated in a room whose dimensions are in the ratio of 6 : 4 : 1. Calculate the area of the four walls of the room if the each person consumes 64m3 of air.
Three identical cubes of side 4 cm are joined end to end. Find the total surface area and lateral surface area of the new resulting cuboid
