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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 Arun (1.7k points)

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The ratio between the curved surface area and the total surface area of a right circular cylinder is 1:2. Find the ratio between the height and radius of the

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

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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 by uday (1.6k points)

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

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

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

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

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A rectangular sheet of paper is rolled in two different ways to form two different cylinders. Find the volume of cylinders in each case if the sheet measures 44 cm × 33

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

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This graph shows the per cent of students who dropped out of school after completing High School. The point labelled A shows that, in 1996, about 4.7% of students dropped

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

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

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This graph shows a map of an island just off the coast of a continent. The point labelled B represents a major city on the coast. The distance between grid lines represents 1 km. Point A represents a resort that is located 5 km East and 3 km North of Point B. The values 5 and 3 are the coordinates of Point A. The coordinates can be given as the ordered pair (5, 3), where 5 is the horizontal coordinate and 3 is the vertical

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

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The graph given below compares the price (in Rs) and weight of 6 bags (in kg) of sugar of different brands A, B, C, D, E, F. (a) Which brands are heavier than brand B?(b) Which bag is the lightest?(c) Which bags are of the same

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

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Match the coordinates given in Column A with the items mentioned in Column B. Column A Column B (1) (0, 5) (a) y coordinate is 2 × x - coordinate + 1. (2) (2, 3) (b) Coordinates of origin. (3) (4, 8) (c) Only y–coordinate is zero. (4) (3, 7) (d) The distance from x –axis is 5. (5) (0, 0) (e) y coordinate is double of x –coordinate. (6) (5, 0) (f) The distance from y–axis is 2.

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

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Match the ordinates of the points given in Column A with the items mentioned in Column B. Column A Column B (a) (7, 0) (i) The ordinate is double the abscissa. (b) (11, 11) (ii) The ordinate is zero. (c) (4, 8) (iii) The ordinate is equal to the abscissa. (d) (6, 2) (iv) The abscissa is double the ordinate. (e) (0, 9) (v) The abscissa is triple the ordinate. (f) (6, 3) (vi) The abscissa is zero.

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

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From the given graph, choose the letters that indicate the location of the points given

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

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Find the coordinates of all letters in the graph given

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

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Plot the given points on a graph

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

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Study the given map of a zoo and answer the following

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

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