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Can I find solved Try These of Maths NCERT for Class-8?
A solid cylinder has surface area of 462 sq cm.Its curved surface area is one third of its total surface area.find the volume of the cylinder.
A river 2m deep and 45m wide is flowing at the rate of 3 km/h.Find the amount of water that runs into the sea per minute.
Q- The parallel lines of a trapezium are 25 cm and 11cm ,while its non-parallel sides are 15 cm and 13 cm .Find the area of trapezium.
A road roller takes 750 complete revolutions to move once over to
level a road. Find the area of the road if the diameter of a road
roller is 84 cm and length is 1 m.
The diameter of a roller is 84cm and its length is 120cm. It takes 500 complete revolutions to move once over to level a playground. Find the area of the playground in m2.
The length,breadth and height of a room are 5m, 4m and 3m respectively. Find the cost of white washing the inner of the room and ceiling at the rate of Rs 50 per square metre.
find the number of coins,1.5cm in diameter and 0.2 cm thick,to be melted to form a right circular cylinder with a height of 10 cm and a diameter of 4.5cm.
if each edge of a cube is doubled,
1.how many times will its surface area increase?
2.how many times will it volume increase?
If the length of each edge of a cube is doubled, by how many times does its volume and surface area increase?
water is pouring into a cuboidal reservoir at the rate of 60 litres per minute. if the volume of the tank is 108m cube, find the number of hours it will take to fill the reservoir?
find the area of a rhombus whose side is 6 cm and whose altitude is 4 cm. if one of its diagonal is 8 cm long, find the length of another diagonal.
the diameter of the roller 120 cm long is 84 cm. if it takes 500 complete revolutions to level a playground, determine the cost of levelling at the rate of 30 paise per sq. m.
plzz its urgent plzz give me fast ans...today is my test
The radius and height of a cylinder are in the ratio 5:7 and its volume is 550 cu cm . Find its radius?
find the side of a cube whose surface area is 600 cm2
the rainfall recorded on a certAIN DAY WAS 5 c find the volume of water that fell on 2 hectare field
A solid iron rectangular block of dimensions 4.4m*2.6m*1m is cast into a hollow cylindrical pipe of internal radius 30cm and thickness 5cm.Find the length of the pipe.
please answer the question fast please the answer should be112m.
Water flows out through a circular pipe whose internal diameter is 2 cm, at the rate of 6 metre per second into a cylindrical tank , the radius of whose base is 60 cm. Find the rise in the level of water in30 minutes?
a rectangular strip 25cm X 7 cm is rotated about the longer side .find the total surface area of the solid thus generated.
lateral surface area of a hollow cylinder is 4224 cm2.
It is cut along its height and formed a rectangular sheet of width 33
cm. Find the perimeter of rectangular sheet?
a saree is 5 meter long and 1.3 meter wide. a border of width 25 centimeter is printed along all side .find the cost of printing the border at 1rupees per 100 centimeter2.
The outer dimensions of a closed wooden box are 10cm by 8cm by 7cm. Thickness of the wood is 1cm. Find the total cost of wood required to make the box if 1cm3 of wood costs Rs.2
A iron pipe is 21 m long and its exterior diameter is 8cm.If the thickness of the pipe is 1cm and iron weight 8g/cm3,find the weight of pipe?
The diameter of a wheel of a bus is 90cm which makes 315 revolutions per minute. Determine its speed in kmph.
What is the answer of ncert maths book class 8, ch. MENSURATION pg 176, TRY THESe Q. 3 For future i would like to know where can i get the answers of try these of ncert book
The base and corresponding altitude of a parallelogram are 10 and 12 cms.if the other altitude is 8 cms find the length of other pair of parallel sides.please help me with this question.
The floor of a building consists of 3000 tiles which are rhombus
shaped and each of its diagonals are 45 cm and 30 cm in length. Find
the total cost of polishing the floor, if the cost per m2
is Rs 4.
verify euler's formula for cuboid prism of pentagon base,pyramid of square and pentagon base
The shape of a garden
is rectangular in the middle and semi circular at the ends as shown
in the diagram. Find the area and the perimeter of the garden [Length
of rectangle is 20 − (3.5 + 3.5) metres]
The lateral surface area of a hollow cylinder is 4224 cm square. It is cut along its height and formed a rectangular sheet of of width 33 cm. Find the perimeter of the rectangular sheet?
sir, please give me the proper solution with explation of following questions?
Q.A box with lid is made of wood which is 3 cm thick. It's external length,breadth and hieht are 56 cm,39 cm and 30 cm respectively.Find the capacity of the box.Also find the volume of wood used to make this box.
Q.If V is the volume of cuboid of dimension a,b and c and S is it's surface area , then prove that:-
1/v =2/s [1/a +1/b +1/c]
Find the altitude of rhombus whose area is 420cm(sq) and the perimerter is 140 cm..
a suitcase with measure 80cm x 48cm x 24cm is to be covered with a tarpaulin cloth. How many metres of tarpaulin of width 96cm is required to cover 100 such suitcases?
mensuration powerpoint presentation
give the curved surface area,total surface area,volume(formula)-cube, cuboid, cylinder.
give the perimeter,area (formula)-square, rectangle,circle, triangle, parallelogram, rhombus, trapezium????????
The area of a courtyard is 3750m2. Find the cost of covering it with gravel to a height of 1cm if the gravel costs Rs 6.40 per cubic metre
The areas of 3 adjacent faces of a cuboid are 180 sq.cm , 96 sq. cm and 120 sq. cm . Find the volume of the cuboid ?
what is the formula for area of circle??
A closed wooden box 80cm long,65cm wide and 45cm high, is made of wood 2.5cm thick.Find the capacity of the box and its weight if 100cm3of wood weighs 8g
what is difference between polygon and quadrilateral??plz answer faster.....
the inner circumference of a circular track is 220 m. The track is 7 m wide everywhere. Calculate the cost of putting fence along the outer circle at Rs.2 per metre.
3 men or 5 women can do a work in 12 days. how long will 6 men and 5 women take to do it.
the height of a cuboid whose base area is 180 cm2
and volume is 900 cm3?
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