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Deepak BoraNewbie

Asked: August 3, 2020In: CBSE

If the volumes of two cones are in the ratio of 1:4 and their diameters are in the ratio of 4:5, then find the ratio of their heights.

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find height of the cone by using volume of cone formula and this question from RS Aggarwal, Volume and Surface ...Read more

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Deepak BoraNewbie

Asked: August 2, 2020In: CBSE, ICSE

The first and last term of an AP are a and l respectively. Show that the sum of the nth term from the beginning and the nth term from the end is (a+l)

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ICSE & CBSE Board Question Based on Arithmetic Progression of RS Aggarwal Here the First and last term of an ...Read more

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Deepak BoraNewbie

Asked: September 21, 2020In: Competition

Hi, I want a good boarding school for my child. Is The Doon School, Dehradun a good school? I want to know if it worth the 10 lakh fees, or if it’s overrated.

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Hi, I want a good boarding school for my son. He is presently studying in the fifth class. I have ...Read more

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Deepak BoraNewbie

Asked: August 12, 2020In: CBSE

An oil funnel made of tin sheet consists of a 10 cm long cylindrical portion attached to a frustum of a cone. If the total height is 22 cm, diameter of the cylindrical portion is 8 cm and the diameter of the top of the funnel is 18 cm, then find the area of the tin sheet required to make the funnel

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Question from RS Aggarwal book, problem number 21, page number 824, exercise 17C, chapter volume and surface area of solid. Chapter ...Read more

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Deepak BoraNewbie

Asked: July 26, 2020In: CBSE

Evaluate: sin² 60° + 2 tan 45° – cos² 30°

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CBSE 10th Class past year question paper Year 2019 SET 1, Code Number- 30/2/1 Question number – 4 (a)

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Deepak BoraNewbie

Asked: July 26, 2020In: CBSE

Using Euclid’s Algorithm, find the HCF of 2048 and 960.

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CBSE 10th Class past year question paper Year 2019 SET 1, Code Number- 30/2/1 Question number – 13 (b)

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Deepak BoraNewbie

Asked: July 31, 2020In: CBSE

Show that the points (7, 10), (-2, 5) and (3, -4) are vertices of an isosceles right triangle

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CBSE 10th Class Mathematics Past year question paper Year 2020 SET 1, Code Number – 30/5/1 Question Number – 29 ...Read more

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If the volumes of two cones are in the ratio of 1:4 and their diameters are in the ratio of 4:5, then find the ratio of their heights.

The first and last term of an AP are a and l respectively. Show that the sum of the nth term from the beginning and the nth term from the end is (a+l)

Hi, I want a good boarding school for my child. Is The Doon School, Dehradun a good school? I want to know if it worth the 10 lakh fees, or if it’s overrated.

An oil funnel made of tin sheet consists of a 10 cm long cylindrical portion attached to a frustum of a cone. If the total height is 22 cm, diameter of the cylindrical portion is 8 cm and the diameter of the top of the funnel is 18 cm, then find the area of the tin sheet required to make the funnel

Evaluate: sin² 60° + 2 tan 45° – cos² 30°

Using Euclid’s Algorithm, find the HCF of 2048 and 960.

Show that the points (7, 10), (-2, 5) and (3, -4) are vertices of an isosceles right triangle