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Deepak BoraNewbie

Asked: July 30, 2020In: CBSE

Show that 5 + 2 √7 is an irrational number, where √7 is given to be an irrational number

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

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Deepak BoraNewbie

Asked: July 30, 2020In: CBSE

The point on the x-axis which is equidistant from (-4, 0) and (10, 0) is

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CBSE 10th Class Mathematics Past year question paper Year 2020 SET 1, Code Number – 30/2/1 Question Number – 3 [a] Equidistance point lies on ...Read more

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Deepak BoraNewbie

Asked: August 11, 2020In: CBSE

Find the number of terms of the AP 18,15,12,……so that their sum is 45. Explain the double answer.

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ICSE & CBSE Board Question Based on Arithmetic Progression of RS Aggarwal Here you have to find the (i) Number ...Read more

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Deepak BoraNewbie

Asked: August 5, 2020In: CBSE

A rocket is in the form of a circular cylinder closed at the lower end and a cone of the same radius is attached to the top. The radius of the cylinder is 2.5 m, its height is 21 m and the slant height of the cone is 8 m. Calculate the total surface area of the rocket.

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In this problem they give rocket structure and rocket structure is the combination of cone and cylinder structure. This question ...Read more

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Deepak BoraNewbie

Asked: August 5, 2020In: CBSE

A toy is in the shape of a cone mounted on a hemisphere of same base radius. If the volume of the toy is 231 cm³ and its diameter is 7 cm, then find the height of the toy

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This is the important question that question was asked in 2012 cbse board exam. In this question a toy is ...Read more

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Deepak BoraNewbie

Asked: July 30, 2020In: CBSE

The distance between the points (m, -n) and (-m, n) is

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CBSE 10th Class Mathematics Past year question paper Year 2020 SET 1, Code Number – 30/2/1 Question Number – 9Read more

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Deepak BoraNewbie

Asked: July 31, 2020In: CBSE

The present age of a father is three years more than three times the age of his son. Three years hence the father’s age will be 10 years more than twice the age of the son. Determine their present ages.

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CBSE 10th Class Mathematics Past year question paper Year 2020 SET 1, Code Number – 30/5/1 Question Number – 27 ...Read more

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Show that 5 + 2 √7 is an irrational number, where √7 is given to be an irrational number

The point on the x-axis which is equidistant from (-4, 0) and (10, 0) is

Find the number of terms of the AP 18,15,12,……so that their sum is 45. Explain the double answer.

A rocket is in the form of a circular cylinder closed at the lower end and a cone of the same radius is attached to the top. The radius of the cylinder is 2.5 m, its height is 21 m and the slant height of the cone is 8 m. Calculate the total surface area of the rocket.

A toy is in the shape of a cone mounted on a hemisphere of same base radius. If the volume of the toy is 231 cm³ and its diameter is 7 cm, then find the height of the toy

The distance between the points (m, -n) and (-m, n) is

The present age of a father is three years more than three times the age of his son. Three years hence the father’s age will be 10 years more than twice the age of the son. Determine their present ages.