Questions by purvi

0 votes

0 answers

Three cubes of metal whose edges are 6 cm, 8 cm and 10 cm respectively are melted to form a single cube. The edge of the new cube

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

If the diagonals of a rhombus get doubled, then the area of the rhombus becomes __________ its original

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The curved surface area of a cylinder is reduced by ____________ per cent if the height is half of the original

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The volume of a cylinder which exactly fits in a cube of side a is

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

__________ surface area of room = area of 4

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The surface area of a cuboid formed by joining face to face 3 cubes of side x is 3 times the surface area of a cube of side

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

A cube of side 3 cm painted on all its faces, when sliced into 1 cubic centimetre cubes, will have exactly 1 cube with none of its faces

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The area of a rectangular field is 48 `m^2` and one of its sides is 6m. How long will a lady take to cross the field diagonally at the rate of 20

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The areas of two circles are in the ratio 49:64. Find the ratio of their

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

A hollow garden roller of 42 cm diameter and length 152 cm is made of cast iron 2 cm thick. Find the volume of iron used in the

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

Metallic discs of radius 0.75 cm and thickness 0.2 cm are melted to obtain 508.68 `cm^3` of metal. Find the number of discs melted (use π =

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

What will happen to the volume of the cube, if its edge is (a) tripled (b) reduced to

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

From a pipe of inner radius 0.75 cm, water flows at the rate of 7 m per second. Find the volume in litres of water delivered by the pipe in 1

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

A birthday cake has two tiers as shown in the figure below. Find the volume of the cake.

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The given graph shows Nisha’s trip to a mall by a car. Observe the graph carefully and find what was she doing between 5 pm and 7

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

In a __________ graph, all the points on the graph lie on the same straight

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

In the given figure the position of the book on the table may be given

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The graph given below compares the sales of ice creams of two vendorsfor a week.Observe the graph and answer the following questions. (a) Which vendor has sold more icecreams on Friday?(b) For which day was the sales same for both the

asked Jan 17, 2022 in 8th-maths

Page:

« prev
1
...
24
25
26
27
28
29
30
...
44
next »