Questions by vaibhav

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Simplify (a + b) (2a – 3b + c) – (2a – 3b)

asked Jan 17, 2022 in 8th-maths

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Use a suitable identity to get each of the following products.

asked Jan 17, 2022 in 8th-maths

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Use the identity `(x + a) (x + b) = x^2 + (a + b) x + ab` to find the following products. (4x – 5) (4x – 1)

asked Jan 17, 2022 in 8th-maths

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asked Jan 17, 2022 in 8th-maths

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Using identities, evaluate. `78 xx 82`

asked Jan 17, 2022 in 8th-maths

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Using `a^2 – b^2 = (a + b) (a – b)`, find `153^2 –

asked Jan 17, 2022 in 8th-maths

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For each of the given solid, the three views are given. Identify for each solid the corresponding top, front and side views. #fig (i) (ii) (iii)A

asked Jan 17, 2022 in 8th-maths

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For each given solid, identify the top view, front view and side view. #fig (i) (ii)

asked Jan 17, 2022 in 8th-maths

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For each given solid, identify the top view, front view and side view. #fig (i) (ii)

asked Jan 17, 2022 in 8th-maths

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Draw a map of your school compound using proper scale and symbols for various features like play ground main building, garden

asked Jan 17, 2022 in 8th-maths

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Can a polyhedron have for its faces 3 triangles?

asked Jan 17, 2022 in 8th-maths

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Can a polyhedron have for its faces 4

asked Jan 17, 2022 in 8th-maths

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Find the area of a rhombus whose diagonals are of lengths 10 cm and 8.2

asked Jan 17, 2022 in 8th-maths

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Find the area of a rhombus whose side is 6 cm and whose altitude is 4 cm. If one of its diagonals is 8 cm long, find the length of the other

asked Jan 17, 2022 in 8th-maths

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Diagram of the adjacent picture frame has outer dimensions =`24 cm xx 28 cm` and inner dimensions 16 cm xx 20 cm. Find the area of each section of the frame, if the width of each section is same.

asked Jan 17, 2022 in 8th-maths

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A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1

asked Jan 17, 2022 in 8th-maths

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Given a cylindrical tank, in which situation will you find surface area and in which situation volume. To find the number of smaller tanks that can be filled with water from

asked Jan 17, 2022 in 8th-maths

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If each edge of a cube is doubled, how many times will its volume

asked Jan 17, 2022 in 8th-maths

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Water is pouring into a cubiodal reservoir at the rate of 60 litres per minute. If the volume of reservoir is 108 m3 , find the number of hours it will take to fill the

asked Jan 17, 2022 in 8th-maths

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Simplify and write the answer in the exponential form.

asked Jan 17, 2022 in 8th-maths

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