Questions by purvi

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From the following table, determine if x and y are in direct proportion or not. x 1 4 9 20 y 1.5 6 13.5 20

asked Jan 17, 2022 in 8th-maths

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In a hostel of 50 girls, there are food provisions for 40 days. If 30 more girls join the hostel, how long will these provisions

asked Jan 17, 2022 in 8th-maths

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There are 20 grams of protein in 75 grams of sauted fish. How many grams of protein is in 225 gm of that

asked Jan 17, 2022 in 8th-maths

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Pattern B consists of four tiles like pattern A. Write a proportion involving red dots and blue dots in pattern A and B. Are they in direct proportion? If yes, write the constant of proportion.

asked Jan 17, 2022 in 8th-maths

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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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Area of a rhombus is equal to __________ of its

asked Jan 17, 2022 in 8th-maths

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Find the area of a rhombus whose one side measures 5 cm and one diagonal as 8

asked Jan 17, 2022 in 8th-maths

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Find the area of polygon ABCDEF, if AD = 18cm, AQ = 14 cm, AP = 12 cm, AN = 8 cm, AM = 4 cm, and FM, EP, QC and BN are perpendiculars to diagonal

asked Jan 17, 2022 in 8th-maths

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If the height of a cylinder becomes `1/4` of the original height and the radius is doubled, then which of the following will be

asked Jan 17, 2022 in 8th-maths

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If the height of a cylinder becomes `1/4` of the original height and the radius is doubled, then which of the following will be

asked Jan 17, 2022 in 8th-maths

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The surface area of the three coterminus faces of a cuboid are 6, 15 and 10 `cm^2` respectively. The volume of the cuboid

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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If the diagonals of a rhombus get doubled, then the area of the rhombus becomes __________ its original

asked Jan 17, 2022 in 8th-maths

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A trapezium with 3 equal sides and one side double the equal side can be divided into __________ equilateral triangles of _______

asked Jan 17, 2022 in 8th-maths

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

asked Jan 17, 2022 in 8th-maths

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The surface area of a cuboid formed by joining face to face 3 cubes of side x is 3 times the surface area of a cube of side

asked Jan 17, 2022 in 8th-maths

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The walls and ceiling of a room are to be plastered. The length, breadth and height of the room are 4.5 m, 3 m, and 350 cm respectively. Find the cost of plastering at the rate of Rs 8 per

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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asked Jan 17, 2022 in 8th-maths

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asked Jan 17, 2022 in 8th-maths

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