मराठी
सी.आई.एस.सी.ई.आयसीएसई ICSE Class 8

Find the Volume and the Total Surface Area of a Cuboid, Whose : Length = 15 Cm, Breadth = 10 Cm and Height = 8 Cm.

Advertisements
Advertisements

प्रश्न

Find the volume and the total surface area of a cuboid, whose :
length = 15 cm, breadth = 10 cm and height = 8 cm.

बेरीज
Advertisements

उत्तर

Length =15 cm, Breadth = 10 cm, Height = 8 cm.
Volume of a cuboid = Length x Breadth x Height = 15 x 10 x 8 =1200 cm3.
Total surface area of a cuboid 2 (l x b + b x h + h x l) = 2 (15 x 10 + 10 x 8 + 8 x 15) = 2(150 + 80 +120) = 2 x 350 = 700 cm2

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 23: Surface Area, Volume and Capacity - Exercise 21 (A) [पृष्ठ २३८]

APPEARS IN

सेलिना Concise Mathematics [English] Class 8 ICSE
पाठ 23 Surface Area, Volume and Capacity
Exercise 21 (A) | Q 1.1 | पृष्ठ २३८

संबंधित प्रश्‍न

A plastic box 1.5 m long, 1.25 m wide and 65 cm deep, is to be made. It is to be open at the top. Ignoring the thickness of the plastic sheet, determine:

(i) The area of the sheet required for making the box.

(ii) The cost of sheet for it, if a sheet measuring 1 m2 costs Rs 20.


A cuboid is of dimensions 60 cm × 54 cm × 30 cm. How many small cubes with side 6 cm can be placed in the given cuboid?


Water is pouring into a cubiodal reservoir at the rate of 60 litres per minute. If the volume of the reservoir is 108 m3, find the number of hours it will take to fill the reservoir.


Find the lateral surface area and total surface area of a cuboid of length 80 cm, breadth 40 cm and height 20 cm.


The paint in a certain container is sufficient to paint on area equal to 9.375 m2. How manybricks of dimension 22.5 cm × 10 cm × 7.5 cm can be painted out of this container?


A cuboidal vessel is 10 cm long and 5 cm wide. How high it must be made to hold 300 cm3 of a liquid?


A cuboidal wooden block contains 36 cm3 wood. If it be 4 cm long and 3 cm wide, find its height.


A cuboidal block of silver is 9 cm long, 4 cm broad and 3.5 cm in height. From it, beads of volume 1.5 cm3 each are to be made. Find the number of beads that can be made from the block.


The weight of a metal block of size 5 cm by 4 cm by 3 cm is 1 kg. Find the weight of a block of the same metal of size 15 cm by 8 cm by 3 cm.


A rectangular diesel tanker is 2 m long, 2 m wide and 40 cm deep. How many litres of diesel can it hold?


An 8 m long cuboidal beam of wood when sliced produces four thousand 1 cm cubes and there is no wastage of wood in this process. If one edge of the beam is 0.5 m, find the third edge.


A cloassroom is 11 m long, 8 m wide and 5 m high. Find the sum of the areas of its floor and the four walls (including doors, windows, etc.)


A cuboid has total surface area of 50 m2 and lateral surface area is 30 m2. Find the area of its base.


A rectangular water reservoir contains 105 m3 of water. Find the depth of the water in the reservoir if its base measures 12 m by 3.5 m.


A tank open at the top is made of iron sheet 4 m wide. If the dimensions of the tank are 12 m × 8 m × 6 m, find the cost of iron sheet at Rs 17.50 per metre.


If the length of a diagonal of a cube is `8 sqrt(3)` cm, then its surface area is


The length, width and height of a rectangular solid are in the ratio of 3 : 2 : 1. If the volume of the box is 48cm3, the total surface area of the box is


If each edge of a cuboid of surface area S is doubled, then surface area of the new cuboid is


If the sum of all the edges of a cube is 36 cm, then the volume (in cm3) of that cube is


Total surface area of a box of cuboid shape is 500 sq. unit. Its breadth and height is 6 unit and 5 unit respectively. What is the length of that box ?


A closed box measures 66 cm, 36 cm and 21 cm from outside. If its walls are made of metal-sheet, 0.5 cm thick; find :
(i) the capacity of the box ;
(ii) the volume of metal-sheet and
(iii) weight of the box, if 1 cm3 of metal weighs 3.6 gm.


The curved surface area of a cylinder of height 14 cm is 88 cm2. Find the diameter of the base of the cylinder.


The ratio between the curved surface area and the total surface area of a cylinder is 1: 2. Find the ratio between the height and the radius of the cylinder.


Find the capacity of a cylindrical container with an internal diameter of 28 cm and a height of 20 cm.


A cuboid is 8 m long, 12 m broad and 3.5 high, Find its
(i) total surface area
(ii) lateral surface area


Find the total surface area of the cuboid of length, breadth, and height as given below:
5 cm, 3.5 cm, 1.4 cm

How much sheet metal is required to make a closed rectangular box of length 1.5 m, breadth 1.2 m, and height 1.3 m?


Find the capacity of water tank, in litres, whose dimensions are 4.2 m, 3 m and 1.8 m?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×