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mehakNewbie

Asked: July 10, 2023In: CBSE

4. A and B throw a pair of dice. If A throws 9, find B’s chance of throwing a higher number

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Explain this probability question and tell us how it is being answered here using formula. Rd Sharma Class 10th Cbse, PROBABILITY.

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Deepak BoraNewbie

Asked: July 10, 2020In: CBSE

Quadratic equations

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Find the roots of the equation x2 – 3x – m (m + 3) = 0, where m is a ...Read more

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Deepak BoraNewbie

Asked: July 26, 2020In: CBSE

In Figure 2, DE II BC. Find the length of side AD, given that AE = 1·8 cm, BD = 7·2 cm and CE = 5·4 cm.

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CBSE 10th Class past year question paper Year 2019 SET 1, Code Number – 30/2/1 Question number – 6 (b)

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Deepak BoraNewbie

Asked: July 26, 2020In: CBSE

How many terms of the Arithmetic Progression 45, 39, 33, … must be taken so that their sum is 180 ? Explain the double answer.

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CBSE 10th Class past year question paper Year 2019 SET 1, Code Number- 30/2/1 Question number – 29 (b)

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Deepak BoraNewbie

Asked: July 30, 2020In: CBSE

In the given figure, DE || AC and DF || AE Prove that BF/BE = FE/EC

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CBSE 10th Class Mathematics Past year question paper Year 2020 SET 1, Code Number – 30/5/1 Question Number – 21Read more

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Deepak BoraNewbie

Asked: July 31, 2020In: CBSE

Prove that the ratio of the areas of two similar triangles is equal to the square of the ratio of their corresponding sides.

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CBSE 10th Class Mathematics Past year question paper Year 2020 SET 1, Code Number – 30/5/1 Question Number – 36Read more

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Deepak BoraNewbie

Asked: August 3, 2020In: CBSE

Two cubes each of volume 27 cm³ are joined end to end to form a solid. Find the surface area of the resulting cuboid.

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This an important question for the cbse and ncert exam. question from RS Aggarwal book, Mensuration chapter, Volume and Surface ...Read more

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4. A and B throw a pair of dice. If A throws 9, find B’s chance of throwing a higher number

Quadratic equations

In Figure 2, DE II BC. Find the length of side AD, given that AE = 1·8 cm, BD = 7·2 cm and CE = 5·4 cm.

How many terms of the Arithmetic Progression 45, 39, 33, … must be taken so that their sum is 180 ? Explain the double answer.

In the given figure, DE || AC and DF || AE Prove that BF/BE = FE/EC

Prove that the ratio of the areas of two similar triangles is equal to the square of the ratio of their corresponding sides.

Two cubes each of volume 27 cm³ are joined end to end to form a solid. Find the surface area of the resulting cuboid.