Questions by Simran

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A bowler throws a cricket ball at a speed of 120 km/h. How long does this ball take to travel a distance of 20 metres to reach the

asked Jan 17, 2022 in 8th-maths

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Many schools have a recommended students-teacher ratio as 35:1. Next year, school expects an increase in enrolment by 280 students. How many new teachers will they have to appoint to maintain the students-teacher

asked Jan 17, 2022 in 8th-maths

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A regular hexagon is inscribed in a circle of radius r. The perimeter of the regular hexagon

asked Jan 17, 2022 in 8th-maths

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Two cubes have volumes in the ratio 1:64. The ratio of the area of a face of first cube to that of the other

asked Jan 17, 2022 in 8th-maths

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If R is the radius of the base of the hat, then the total outer surface area of the hat is

asked Jan 17, 2022 in 8th-maths

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The areas of any two faces of a cube are

asked Jan 17, 2022 in 8th-maths

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The circumference of the front wheel of a cart is 3 m long and that of the back wheel is 4 m long. What is the distance travelled by the cart, when the front wheel makes five more revolutions than the rear

asked Jan 17, 2022 in 8th-maths

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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

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Find the area of the shaded portion in the following

asked Jan 17, 2022 in 8th-maths

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Find the volume of each of the given figure if volume = base area `xx`height.

asked Jan 17, 2022 in 8th-maths

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A square sheet of paper is converted into a cylinder by rolling it along its side. What is the ratio of the base radius to the side of the

asked Jan 17, 2022 in 8th-maths

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If the length of each edge of a cube is tripled, what will be the change in its

asked Jan 17, 2022 in 8th-maths

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A cylindrical tank has a radius of 154 cm. It is filled with water to a height of 3 m. If water to a height of 4.5 m is poured into it, what will be the increase in the volume of water in

asked Jan 17, 2022 in 8th-maths

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The graph given below compares the sales of ice creams of two vendorsfor a week.Observe the graph and answer the following questions. (a)On which day did the sale of vendor A increase the most as compared to the previous day?(b) On which day was the difference in sales the

asked Jan 17, 2022 in 8th-maths

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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 17, 2022 in 8th-maths

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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

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For the point (5, 2), the distance from the x -axis is __________

asked Jan 17, 2022 in 8th-maths

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In the point (4, 7), 4 denotes the

asked Jan 17, 2022 in 8th-maths

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The ordinate of a point is its distance from the

asked Jan 17, 2022 in 8th-maths

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The y-coordinate of any point lying on the x -axis will be

asked Jan 17, 2022 in 8th-maths

Questions by Simran

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