Questions by yogita

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asked Jan 17, 2022 in 8th-maths

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How many vertices does each of the following solids have? (a) Cone (b) Cylinder (c) Sphere (d) Octagonal Pyramid (e) Tetrahedron (f) Hexagonal

asked Jan 17, 2022 in 8th-maths

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Look at the shapes given below and state which of these are polyhedra using Euler’s formula.

asked Jan 17, 2022 in 8th-maths

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Count the number of cubes in the given shapes.

asked Jan 17, 2022 in 8th-maths

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Draw the net of the following shape.

asked Jan 17, 2022 in 8th-maths

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Draw a figure that represents your mathematics textbook. What is the name of this figure? Is it a

asked Jan 17, 2022 in 8th-maths

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Look at the map given below. Answer the following questions.(i) Which two hospitals are opposite to each other?(ii) A person residing at Niti Bagh has to go to Chirag Delhi after dropping her daughter at Asiad Tower. Mention the important landmarks he will pass alongwith the roads taken.(iii) Name of which road is similar to the name of some

asked Jan 17, 2022 in 8th-maths

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The irreducible factorisation of 3a3 + 6a

asked Jan 17, 2022 in 8th-maths

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(x + a) (x + b) = x2 + (a + b)x +

asked Jan 17, 2022 in 8th-maths

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Simplify (i) `– pqr (p^2 + q^2 + r^2)` (ii) (px + qy) (ax –

asked Jan 17, 2022 in 8th-maths

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Factorise the following. (i) `21x^2y^3 + 27x^3y^2` (ii) `a^3 – 4a^2 + 12 –

asked Jan 17, 2022 in 8th-maths

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Evaluate using suitable identities.(i) `(48)^2` (ii) `181^2 – 19^2` (iii) `497 xx 505` (iv) `2.07 xx

asked Jan 17, 2022 in 8th-maths

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Which of the following is

asked Jan 17, 2022 in 8th-maths

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The value of `(a + b)^2 – (a – b)^2`

asked Jan 17, 2022 in 8th-maths

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Number of terms in the expression `a^2 + bc xx d` is

asked Jan 17, 2022 in 8th-maths

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The side of the square of area `9y^2` is

asked Jan 17, 2022 in 8th-maths

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`(a + b)^2 = a^2 +

asked Jan 17, 2022 in 8th-maths

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Multiply the following: (pq – 2r), (pq –

asked Jan 17, 2022 in 8th-maths

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Simplyfy `(ab – c)^2 +

asked Jan 17, 2022 in 8th-maths

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Simplyfy `(4.5a + 1.5b)^2 + (4.5b +

asked Jan 17, 2022 in 8th-maths

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