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In the above question, curved surface area of A is ________ curved surface area of

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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Two cylinders of same volume have their radii in the ratio 1:6, then ratio of their heights is

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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The surface area of a cube formed by cutting a cuboid of dimensions `2 xx 1 xx 1 in 2` equal parts is 2 sq.

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

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

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

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There is a circular pond and a footpath runs along its boundary. A person walks around it, exactly once keeping close to the edge. If his step is 66 cm long and he takes exactly 400 steps to go around the pond, find the diameter of the

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

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asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k points)

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How many cubic metres of earth must be dug to construct a well 7 m deep and of diameter 2.8

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

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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 17, 2022 in 8th-maths by krutika (1.7k points)

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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 by purvi (1.8k points)

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Four times the area of the curved surface of a cylinder is equal to 6 times the sum of the areas of its bases. If its height is 12 cm, find its curved surface

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

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A rectangular examination hall having seats for 500 candidates has to be built so as to allow 4 cubic metres of air and 0.5 square metres of floor area per candidate. If the length of hall be 25 m, find the height and breadth of the

asked Jan 17, 2022 in 8th-maths by uday (1.6k points)

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Water flows from a tank with a rectangular base measuring 80 cm by 70 cm into another tank with a square base of side 60 cm. If the water in the first tank is 45 cm deep, how deep will it be in the second

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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Which graphs of the following represent the table below? Length of Side of a Square 1 2 3 4 5 Perimeter 4 8 12 16 20 (a) (b) (c) (d)

asked Jan 17, 2022 in 8th-maths by uday (1.6k points)

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The table given below shows the temperatures recorded on a day at different times. Observe the table and answer the following questions. (a) During which hour did the temperature fall?(b) What is the change in temperature between 7 am and 10 am?(c) During which hour was there a constant

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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Observe the given graph carefully and complete the table given below. x 1 2 3 4 5 y

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

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As part of his science project, Prithvi was supposed to record the temperature every hour one Saturday from 6 am to midnight. At noon, he was taking lunch and forgot to record the temperature. At 8:00 pm, his favourite show came on and so forgot again. He recorded the data so collected on a graph sheet as shown below.(a) Why does it make sense to connect the points in this situation?(b)Describe the overall trend, or pattern, in the way the temperature changes over the time period shown on the graph.(c) Estimate the temperature at noon and 8

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

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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 17, 2022 in 8th-maths by krutika (1.7k points)

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We need __________ coordinates for representing a point on the graph

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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A point has 5 as its x –coordinate and 4 as its y–coordinate. Then the coordinates of the point are given by

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

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The points (3, 5) and (5, 3) represent the same

asked Jan 17, 2022 in 8th-maths by uday (1.6k points)

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