Questions by nikhil

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asked Jan 17, 2022 in 8th-maths

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A cube of side 5 cm is painted on all its faces. If it is sliced into 1 cubic centimetre cubes, how many 1 cubic centimetre cubes will have exactly one of their faces

asked Jan 17, 2022 in 8th-maths

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What is the area of the largest triangle that can be fitted into a rectangle of length l units and width w

asked Jan 17, 2022 in 8th-maths

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The volume of a cube whose edge is 3x

asked Jan 17, 2022 in 8th-maths

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Area of a quadrilateral ABCD is 20 `cm^2` and perpendiculars on BD from opposite vertices are 1 cm and 1.5 cm. The length of BD

asked Jan 17, 2022 in 8th-maths

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Volume of a cylinder with radius h and height r is

asked Jan 17, 2022 in 8th-maths

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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

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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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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 17, 2022 in 8th-maths

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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 17, 2022 in 8th-maths

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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

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A housing society consisting of 5,500 people needs 100 L of water per person per day. The cylindrical supply tank is 7 m high and has a diameter 10 m. For how many days will the water in the tank last for the

asked Jan 17, 2022 in 8th-maths

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The capacity of a closed cylindrical vessel of height 1 m is 15.4 L. How many square metres of metal sheet would be needed to make

asked Jan 17, 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 17, 2022 in 8th-maths

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Every point on the x axis is of the

asked Jan 17, 2022 in 8th-maths

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The coordinates of the origin are

asked Jan 17, 2022 in 8th-maths

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In the given figure the position of the book on the table may be given

asked Jan 17, 2022 in 8th-maths

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Locate the points P (3,4), Q (1,0), R (0,4), S (4,1) on a graph sheet and write the coordinates of the point of intersection of line segments PQ and

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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Draw a parallelogram ABCD on a graph paper with the coordinates given in Table I. Use this table to complete Tables II and III to get the coordinates of E, F, G, H and J, K, L, M. Point (x, y) A (1, 1) B (4,4) C (8,4) D (5, 1) Table I Point (0.5x, 0.5y) E (0.5, 0.5) F G H

asked Jan 17, 2022 in 8th-maths

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