Questions by Arun

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(i) How are prisms and cylinders

asked Jan 17, 2022 in 8th-maths

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Find the side of a cube whose surface area is 600

asked Jan 17, 2022 in 8th-maths

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Find the height of a cuboid whose volume is 275 `cm^3` and base area is 25 `cm^2`

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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Simplify `{(1/3)^(-2)-(1/2)^(-3)} ÷

asked Jan 17, 2022 in 8th-maths

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asked Jan 17, 2022 in 8th-maths

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Express the following numbers in standard form. 0.0000000000085

asked Jan 17, 2022 in 8th-maths

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Express the following numbers in usual form. `1.0001 xx

asked Jan 17, 2022 in 8th-maths

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An electric pole, 14 metres high, casts a shadow of 10 metres. Find the height of a tree that casts a shadow of 15 metres under similar

asked Jan 17, 2022 in 8th-maths

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There are 100 students in a hostel. Food provision for them is for 20 days. How long will these provisions last, if 25 more students join the

asked Jan 17, 2022 in 8th-maths

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Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`. `16x^4 –

asked Jan 17, 2022 in 8th-maths

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Verify the following: `(p – q) (p^2 + pq + q^2) = p^3 –

asked Jan 17, 2022 in 8th-maths

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Verify the following: `(5x + 8)^2 – 160x = (5x –

asked Jan 17, 2022 in 8th-maths

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If `x-1/x=7` then find the value of

asked Jan 17, 2022 in 8th-maths

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`(-5/7)^(-5)` is equal

asked Jan 17, 2022 in 8th-maths

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For a non-zero integer x, `x^7 -: x^12` is equal

asked Jan 17, 2022 in 8th-maths

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The usual form for `2.03 xx

asked Jan 17, 2022 in 8th-maths

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The standard form of 12340000 is

asked Jan 17, 2022 in 8th-maths

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`24.58 = 2 xx 10 + 4 xx 1 + 5 xx 10 + 8 xx

asked Jan 17, 2022 in 8th-maths

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`(–5)^(–2) xx (–5)^(–3) =

asked Jan 17, 2022 in 8th-maths

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