Questions by sumit

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Find the following squares by using the identities. `(xy +

asked Jan 18, 2022 in 8th-maths

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Find the following squares by using the identities. `(0.4p –

asked Jan 18, 2022 in 8th-maths

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Simplify. `(4m + 5n)^2 + (5m +

asked Jan 18, 2022 in 8th-maths

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Show that. `(a – b) (a + b) + (b – c) (b + c) + (c – a) (c + a) =

asked Jan 18, 2022 in 8th-maths

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Using `(x + a) (x + b) = x^2 + (a + b) x + ab`, find `103 xx 98`

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

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Draw the front view, side view and top view of the given objects. A dice -(f) A solid #fig

asked Jan 18, 2022 in 8th-maths

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Can a polyhedron have for its faces 3 triangles?

asked Jan 18, 2022 in 8th-maths

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Find the area of quadrilateral PQRS shown in Fig 11.11.

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

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

asked Jan 18, 2022 in 8th-maths

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Simplify `{(1/3)^(-2)-(1/2)^(-3)} ÷

asked Jan 18, 2022 in 8th-maths

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Evaluate. `3^(–2)`

asked Jan 18, 2022 in 8th-maths

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Evaluate `(5^(–1) xx 2^(–1)) xx

asked Jan 18, 2022 in 8th-maths

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asked Jan 18, 2022 in 8th-maths

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Express the following numbers in standard form. 6020000000000000

asked Jan 18, 2022 in 8th-maths

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A train is moving at a uniform speed of 75 km/hour. Find the time required to cover a distance of 250

asked Jan 18, 2022 in 8th-maths

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In a model of a ship, the mast is 9 cm high, while the mast of the actual ship is 12 m high. If the length of the ship is 28 m, how long is the model

asked Jan 18, 2022 in 8th-maths

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Suppose 2 kg of sugar contains `9 xx 10^6` crystals. How many sugar crystals are there in 1.2 kg of

asked Jan 18, 2022 in 8th-maths

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In a Television game show, the prize money of Rs 1,00,000 is to be divided equally amongst the winners. Complete the following table and find whether the prize money given to an individual winner is directly or inversely proportional to the numberof

asked Jan 18, 2022 in 8th-maths

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