Questions by Simran

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Express the following numbers in usual form. `3 xx 10^(–

asked Jan 18, 2022 in 8th-maths

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Express the following numbers in usual form. `3 xx 10^(–

asked Jan 18, 2022 in 8th-maths

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Rashmi has a road map with a scale of 1 cm representing 18 km. She drives on a road for 72 km. What would be her distance covered in the

asked Jan 18, 2022 in 8th-maths

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A loaded truck travels 14 km in 25 minutes. If the speed remains the same, how far can it travel in 5

asked Jan 18, 2022 in 8th-maths

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Rehman is making a wheel using spokes. He wants to fix equal spokes in such a way that the angles between any pair of consecutive spokes are equal. Help him bycompleting the following table. sss 8 → 45°, 10 → 36°, 12 → 30° sss Are the number of

asked Jan 18, 2022 in 8th-maths

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Two persons could fit new windows in a house in 3 days. How many persons would be needed to fit the windows in one

asked Jan 18, 2022 in 8th-maths

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The following expressions are the areas of rectangles. Find the possible lengths and breadths of these rectangles. `x^2 + 19x –

asked Jan 17, 2022 in 8th-maths

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Perform the following divisions: `(ax^3 – bx^2 + cx) -: (–

asked Jan 17, 2022 in 8th-maths

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Perform the following divisions: `(x^3y^3 + x^2y^3 – xy^4 + xy) -:

asked Jan 17, 2022 in 8th-maths

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The height of a triangle is `x^4 + y^4` and its base is 14xy. Find the area of the

asked Jan 17, 2022 in 8th-maths

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The base of a parallelogram is (2x + 3 units) and the corresponding height is (2x – 3 units). Find the area of the parallelogram in terms of x. What will be the area of parallelogram of x = 30

asked Jan 17, 2022 in 8th-maths

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If p + q = 12 and pq = 22, then find `p^2 +

asked Jan 17, 2022 in 8th-maths

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Verify the following: `(m + n) (m^2 – mn + n^2) = m^3 +

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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If x be any integer different from zero and m be any positive integer, then `x^–m` is equal

asked Jan 17, 2022 in 8th-maths

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asked Jan 17, 2022 in 8th-maths

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The multiplicative inverse of `10^10` is

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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The standard form for 32,50,00,00,000 is

asked Jan 17, 2022 in 8th-maths

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The usual form for `2.3 xx 10^(-10)` is

asked Jan 17, 2022 in 8th-maths

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