Questions by Arun

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The surface area of a cuboid formed by joining two cubes of side a face to face is

asked Jan 17, 2022 in 8th-maths

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The volume of a cylinder which exactly fits in a cube of side a is

asked Jan 17, 2022 in 8th-maths

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Two cylinders A and B are formed by folding a rectangular sheet of dimensions `20 cm xx 10 cm` along its length and also along its breadth respectively. Then volume of A is ________ of volume of

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 areas of any two faces of a cuboid are

asked Jan 17, 2022 in 8th-maths

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Ratio of area of a circle to the area of a square whose side equals radius of circle is 1 :

asked Jan 17, 2022 in 8th-maths

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Mukesh walks around a circular track of radius 14 m with a speed of 4 km/hr. If he takes 20 rounds of the track, for how long does he

asked Jan 17, 2022 in 8th-maths

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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

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asked Jan 17, 2022 in 8th-maths

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Find the area to be painted in the following block with a cylindrical hole. Given that length is 15 cm, width 12 cm, height 20 cm and radius of the hole 2.8 cm.

asked Jan 17, 2022 in 8th-maths

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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

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asked Jan 17, 2022 in 8th-maths

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Following graph shows a comparison of the approximate sale of items manufactured by a company for the first two years of its operation. (i) In which months there was maximum difference inthe sale of items of two

asked Jan 17, 2022 in 8th-maths

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The following is the time-distance graph of Sneha’s

asked Jan 17, 2022 in 8th-maths

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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

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Write the y-coordinate (ordinate) of each of the given

asked Jan 17, 2022 in 8th-maths

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Study the distance-time graph given below for a car to travel tocertain places and answer the questions that follow.(a) How far does the car travel in 2 hours?(b) How much time does the car take to reach R?(c) How long does the car take to cover 80 km?(d) How far is Q from the starting point?(e) When does the car reach the place S after

asked Jan 17, 2022 in 8th-maths

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If 5 `A xx A` = 399, then the value of A

asked Jan 17, 2022 in 8th-maths

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`3x5` is divisible by 9 if the digit x is

asked Jan 17, 2022 in 8th-maths

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The sum of a two–digit number and the number obtained by reversing the digits is always divisible by

asked Jan 17, 2022 in 8th-maths

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