Questions by krutika

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Subtract 4a – 7ab + 3b + 12 from 12a – 9ab + 5b –

asked Jan 17, 2022 in 8th-maths

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Obtain the volume of rectangular boxes with the following length, breadth and heightrespectively. `5a, 3a^2,

asked Jan 17, 2022 in 8th-maths

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Add `5m (3 – m)` and `6m^2 – 13m`

asked Jan 17, 2022 in 8th-maths

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Add `4y (3y^2 + 5y – 7)` and `2 (y^3 – 4y^2 +

asked Jan 17, 2022 in 8th-maths

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Carry out the multiplication of the expressions in each of the following pairs. `a + b,

asked Jan 17, 2022 in 8th-maths

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- Subtract: 3a (a + b + c ) – 2 b (a – b + c) from 4c ( – a + b + c

asked Jan 17, 2022 in 8th-maths

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Simplify. `(x + y)(x^2 – xy +

asked Jan 17, 2022 in 8th-maths

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Using the Identity (I), find

asked Jan 17, 2022 in 8th-maths

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Using Identity (III), find

asked Jan 17, 2022 in 8th-maths

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

asked Jan 17, 2022 in 8th-maths

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Find the following squares by using the identities. `(6x^2 –

asked Jan 17, 2022 in 8th-maths

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Simplify. `(m^2 – n^2m)^2 +

asked Jan 17, 2022 in 8th-maths

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Using identities, evaluate. `1.05 xx

asked Jan 17, 2022 in 8th-maths

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Using `a^2 – b^2 = (a + b) (a – b)`, find `51^2 –

asked Jan 17, 2022 in 8th-maths

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Using `a^2 – b^2 = (a + b) (a – b)`, find `(1.02)^2 –

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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Is a square prism same as a cube?

asked Jan 17, 2022 in 8th-maths

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A square and a rectangular field with measurements as given in the figure have the same perimeter. Which field has a larger

asked Jan 17, 2022 in 8th-maths

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An ant is moving around a few food pieces of different shapes scattered on the floor. For which food-piece would the ant have to take a longer round? Remember,circumference of a circle can be obtained by using the expression c = 2πr, where r is the radius of the

asked Jan 17, 2022 in 8th-maths

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Find the area of quadrilateral PQRS shown in Fig 11.11.

asked Jan 17, 2022 in 8th-maths

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