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AAREKHGuru

Asked: August 19, 2021In: CBSE

In a ∆ABC, AD is the bisector of ∠A, meeting side BC at D.If BD = 2 cm, AB = 5 cm and DC = 3 cm, find AC

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Question drawn from very renowned book RD sharma of class 10th, Chapter no. 4 Chapter name:- Triangles Exercise :- 4.3Read more

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mehakNewbie

Asked: July 31, 2023In: CBSE

18. The diameters of the internal and external surfaces of a hollow spherical shell are 10cm and 6 cm, respectively. If it is melted and recast into a solid cylinder of the length of 8/3, find the diameter of the cylinder.

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

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Deepak BoraNewbie

Asked: July 19, 2020In: CBSE

Find the zeroes of the quadratic polynomial √3 x2 – 8x + 4√3.

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POLYNOMIALS CLASS 10

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Deepak BoraNewbie

Asked: August 29, 2020In: CBSE

The surface areas of two spheres are in the ratio of 4 : 25. Find the ratio of their volumes

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In the given problem surface area ratio of two sphere is given. Problem from RS Aggarwal book, problem number 16, ...Read more

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Deepak BoraNewbie

Asked: September 10, 2020In: CBSE

The area of rectangle gets reduced by 8m^2, when its length is reduced by 5m and its breadth is increased by 3m. If we increase the length by 3m and breadth by 2m, the area is increased by 74m^2. Find the length and the breadth of the rectangle.

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An Important question based on Linear Equations in two Variables Chapter of R.S Aggarwal book for ICSE & CBSE ...Read more

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deepaksoniGuru

Asked: June 29, 2021In: CBSE

Question 3: Show that (a – b)², (a² + b²), and (a + b)² are in A.P.

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One of the most important and exam oriented question from Chapter name- Arithmetic Progression Class 10th Chapter number- 9 Exercise ...Read more

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mehakNewbie

Asked: July 31, 2023In: CBSE

29. A 16 m deep well with diameter 3.5 m is dug up, and the earth from it is spread evenly to form a platform 27.5 m by 7m. Find the height of the platform.

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

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In a ∆ABC, AD is the bisector of ∠A, meeting side BC at D.If BD = 2 cm, AB = 5 cm and DC = 3 cm, find AC

18. The diameters of the internal and external surfaces of a hollow spherical shell are 10cm and 6 cm, respectively. If it is melted and recast into a solid cylinder of the length of 8/3, find the diameter of the cylinder.

Find the zeroes of the quadratic polynomial √3 x2 – 8x + 4√3.

The surface areas of two spheres are in the ratio of 4 : 25. Find the ratio of their volumes

The area of rectangle gets reduced by 8m^2, when its length is reduced by 5m and its breadth is increased by 3m. If we increase the length by 3m and breadth by 2m, the area is increased by 74m^2. Find the length and the breadth of the rectangle.

Question 3: Show that (a – b)², (a² + b²), and (a + b)² are in A.P.

29. A 16 m deep well with diameter 3.5 m is dug up, and the earth from it is spread evenly to form a platform 27.5 m by 7m. Find the height of the platform.