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The ratio of radii of two cylinders is 1: 2 and heights are in the ratio 2:3. The ratio of their volumes
asked
Jan 18, 2022
in
8th-maths
marks1
chapter11
#mcq
0
votes
0
answers
All six faces of a cuboid are __________ in shape and of ______
asked
Jan 18, 2022
in
8th-maths
marks1
chapter11
#fib
0
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0
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Two cylinders A and B are formed by folding a rectangular sheet of dimensions `20 cm xx 10 cm` along its length and also along its breadth respectively. Then volume of A is ________ of volume of
asked
Jan 18, 2022
in
8th-maths
marks1
chapter11
#fib
0
votes
0
answers
Two cylinders of same volume have their radii in the ratio 1:6, then ratio of their heights is
asked
Jan 18, 2022
in
8th-maths
marks1
chapter11
#fib
0
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0
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Find the length of the largest pole that can be placed in a room of dimensions `12 m xx 4 m xx 3 m`. Find the area of the following fields. All dimensions are in
asked
Jan 18, 2022
in
8th-maths
marks2
chapter11
#sub
0
votes
0
answers
The thickness of a hollow metallic cylinder is 2 cm. It is 70 cm long with outer radius of 14 cm. Find the volume of the metal used in making the cylinder, assuming that it is open at both the ends. Also find its weight if the metal weighs 8 g per
asked
Jan 18, 2022
in
8th-maths
marks3
chapter11
#sub
0
votes
0
answers
A cuboidal tin box opened at the top has dimensions `20 cm xx 16 cm xx 14 cm`. What is the total area of metal sheet required to make 10 such
asked
Jan 18, 2022
in
8th-maths
marks3
chapter11
#sub
0
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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 18, 2022
in
8th-maths
marks3
chapter11
#sub
0
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0
answers
The ratio of the radius and height of a cylinder is 2:3. If its volume is 12,936 `cm^3`, find the total surface area of the
asked
Jan 18, 2022
in
8th-maths
marks3
chapter11
#sub
0
votes
0
answers
A rectangular sheet of dimensions `25 cm xx 7 cm` is rotated about its longer side. Find the volume and the whole surface area of the solid thus
asked
Jan 18, 2022
in
8th-maths
marks3
chapter11
#sub
0
votes
0
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Plot the points (4, 4), (1, 3), (4, 2) and (7, 3) on a graph paper and connect them with line segments. Name the shape formed by these
asked
Jan 18, 2022
in
8th-maths
marks1
chapter12
#sub
0
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0
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In the given graph the coordinates of point x
asked
Jan 18, 2022
in
8th-maths
marks1
chapter12
#mcq
0
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0
answers
In the given graph the letter that indicates the point (0, 3)
asked
Jan 18, 2022
in
8th-maths
marks1
chapter12
#mcq
0
votes
0
answers
The following graph shows the journey made by two cyclists, onefrom town A to B and the other from town B to A. (a) At what time did cyclist II rest? How long did the cyclist
asked
Jan 18, 2022
in
8th-maths
marks2
chapter12
#sub
0
votes
0
answers
The following graph shows the journey made by two cyclists, onefrom town A to B and the other from town B to A. (a) At what time did the two cyclists
asked
Jan 18, 2022
in
8th-maths
marks2
chapter12
#sub
0
votes
0
answers
The following graph shows the journey made by two cyclists, onefrom town A to B and the other from town B to A. (a)How far had cyclist II travelled when he met cyclist
asked
Jan 18, 2022
in
8th-maths
marks2
chapter12
#sub
0
votes
0
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Ajita starts off from home at 07.00 hours with her father on a scooter that goes at a uniform speed of 30 km/h and drops her at her school after half an hour. She stays in the school till 13.30 hours and takes an auto rickshaw to return home. The rickshaw has a uniform speed of 10 km/h. Draw the graph for the above situation and also determine the distance of Ajita’s school from her
asked
Jan 18, 2022
in
8th-maths
marks2
chapter12
#sub
0
votes
0
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Consider this input/output table. Input 1 2 4 5 7 Output 2 5 11 14 20 (a) Graph the values from the table by taking Input along horizontal axis from 0 to 8 and Output along vertical axis from 0 to 24.(b) Use your graph to predict the outputs for inputs of 3 and
asked
Jan 18, 2022
in
8th-maths
marks3
chapter12
#sub
0
votes
0
answers
The two graphs below compare Car A and Car B. The left graph shows the relationship between age and value. The right graph shows the relationship between size and maximum speed. Use the graphs to determine whether each statement is true or false, and explain your answer. (a) The
asked
Jan 18, 2022
in
8th-maths
marks2
chapter12
#sub
0
votes
0
answers
The point where the two axes intersect is called the
asked
Jan 18, 2022
in
8th-maths
marks1
chapter12
#fib
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