Questions by krutika

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Curved surface area of a cylinder of radius h and height r is

asked Jan 18, 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 18, 2022 in 8th-maths

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A boy is cycling such that the wheels of the cycle are making 140 revolutions per hour. If the diameter of the wheel is 60 cm, calculate the speed in km/h with which the boy is

asked Jan 18, 2022 in 8th-maths

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The radius and height of a cylinder are in the ratio 3:2 and its volume is 19,404 `cm^3`. Find its radius and

asked Jan 18, 2022 in 8th-maths

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A carpenter makes a box which has a volume of 13,400 `cm^3`. The base has an area of 670 `cm^2`. What is the height of the

asked Jan 18, 2022 in 8th-maths

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Find the capacity of water tank, in litres, whose dimensions are 4.2 m, 3 m and 1.8

asked Jan 18, 2022 in 8th-maths

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External dimensions of a closed wooden box are in the ratio 5:4:3. If the cost of painting its outer surface at the rate of Rs 5 per d`m^2` is Rs 11,750, find the dimensions of the

asked Jan 18, 2022 in 8th-maths

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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 18, 2022 in 8th-maths

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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 18, 2022 in 8th-maths

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Write the coordinates of all the points in the given

asked Jan 18, 2022 in 8th-maths

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The following is a conversion graph of temperature in °Cand °F.Use the graph to answer the following questions.(a) Convert 140 °F to °C.(b) Convert 20 °C to

asked Jan 18, 2022 in 8th-maths

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Comparison of parts of a whole may be done by

asked Jan 18, 2022 in 8th-maths

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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 18, 2022 in 8th-maths

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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 18, 2022 in 8th-maths

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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 18, 2022 in 8th-maths

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In the coordinates of a point, the second number denotes the

asked Jan 18, 2022 in 8th-maths

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Study the given map of a zoo and answer the following

asked Jan 18, 2022 in 8th-maths

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Suppose that the division x -: 5 leaves a remainder 4 and the division x -: 2 leaves a remainder 1. Find the ones digit of

asked Jan 18, 2022 in 8th-maths

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Let abc be a three-digit number. Then abc – cba is not divisible

asked Jan 18, 2022 in 8th-maths

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1 x 35 is divisible by 9 if x =

asked Jan 18, 2022 in 8th-maths

Questions by krutika

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