cbse mathematics Archives - Ask TrueMaths!

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mehakNewbie

Asked: July 26, 2023In: CBSE

1. How many balls, each of radius 1 cm, can be made from a solid sphere of lead of radius 8 cm?

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Explain the question using various formulas. Class 10th Cbse, RD Sharma. Surface area and volumes

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mehakNewbie

Asked: July 26, 2023In: CBSE

2. How many spherical bullets, each of 5 cm in diameter, can be cast from a rectangular block of metal 11dm x 1 m x 5 dm?

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Explain the question using various formulas. Class 10th Cbse, RD Sharma. Surface area and volumes

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mehakNewbie

Asked: July 26, 2023In: CBSE

3. A spherical ball of radius 3 cm is melted and recast into three spherical balls. The radii of the two balls are 2 cm and 1.5 cm, respectively. Determine the diameter of the third ball.

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Explain the question using various formulas. Class 10th Cbse, RD Sharma. Surface area and volumes

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mehakNewbie

Asked: July 26, 2023In: CBSE

4. 2.2 cubic dm of brass is to be drawn into a cylindrical wire of 0.25 cm in diameter. Find the length of the wire.

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Explain the question using various formulas. Class 10th Cbse, RD Sharma. Surface area and volumes

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mehakNewbie

Asked: July 26, 2023In: CBSE

5. What length of a solid cylinder 2 cm in diameter must be taken to recast into a hollow cylinder of length 16 cm, external diameter 20 cm and thickness 2.5 mm?

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Explain the question using various formulas. Class 10th Cbse, RD Sharma. Surface area and volumes

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mehakNewbie

Asked: July 21, 2023In: CBSE

4. Find the value of x, y if the distances of the point (x, y) from (- 3, 0) as well as from (3, 0) are 4.

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Explain this question of coordinate geometry using various formulas, stated in the Rd sharma book. Class 10th Cbse, Rd Sharma, Coordinate Geometry.

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mehakNewbie

Asked: July 21, 2023In: CBSE

3. If the points (2, 1) and (1, -2) are equidistant from the point (x, y), show that x + 3y = 0.

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Explain this question of coordinate geometry using various formulas, stated in the Rd sharma book. Class 10th Cbse, Rd Sharma, Coordinate Geometry.

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mehakNewbie

Asked: July 21, 2023In: CBSE

2. Find the value of a when the distance between the points (3, a) and (4, 1) is √10.

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Explain this question of coordinate geometry using various formulas, stated in the Rd sharma book. Class 10th Cbse, Rd Sharma, Coordinate Geometry.

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mehakNewbie

Asked: July 21, 2023In: CBSE

1. Find the distance between the following pair of points. (i) (- 6, 7) and (-1, -5) (ii) (a + b, b + c) and (a -b, c – b) (iii) (a sin α, – b cos α) and (- a cos α, b sin α)

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Explain this question of coordinate geometry using various formulas, stated in the Rd sharma book. Class 10th Cbse, Rd Sharma, Coordinate Geometry.

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mehakNewbie

Asked: July 21, 2023In: CBSE

1. On which axis do the following points lie? (i) P (5, 0) (ii) Q (0, -2) (iii) R (-4, 0) (iv) S (0, 5)

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Explain this question of coordinate geometry using various formulas, stated in the Rd sharma book. Class 10th Cbse, Rd Sharma, Coordinate Geometry.

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