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Deepak BoraNewbie

Asked: September 25, 2020In: ICSE

(a) The ratio of the base radii of two right circular cones of the same height is 3 : 4. Find the ratio of their volumes. (b) The ratio of the heights of two right circular cones is 5 : 2 and that of their base radii is 2 : 5. Find the ratio of their volumes. (c) The height and the radius of the base of a right circular cone is half the corresponding height and radius of another bigger cone. Find: (i) the ratio of their volumes. (ii) the ratio of their lateral surface areas.

An Important Question of M.L Aggarwal book of class 10 Based on Mensuration Chapter for ICSE BOARD. The ratio of the ...Read more

Deepak BoraNewbie

Asked: September 26, 2020In: ICSE

This figure is of a wooden toy rocket, it’s in shape of a circular cone mounted on a circular cylinder. The total height of the rocket is 26 cm, while the height of the conical part is 6 cm. The base of the conical portion has a diameter of 5 cm, while the base diameter of the cylindrical portion is 3 cm. If the conical portion is to be painted green and the cylindrical portion red, find the area of the rocket painted with each of these colours. Also find the volume of the wood in the rocket.

ICSE Board Question Based on Mensuration Chapter of M.L Aggarwal for class10 This figure shows a wooden toy rocket which ...Read more

Deepak BoraNewbie

Asked: September 26, 2020In: ICSE

A certain number of metallic cones each of radius 2 cm and height 3 cm are melted and recast in a solid sphere of radius 6 cm. Find the number of cones.

This is the Important question of class 10 Based on Mensuration Chapter of M.L Aggarwal book for ICSE BOARD. In ...Read more

deepaksoniGuru

Asked: March 10, 2021In: ICSE

A company with 4000 shares of nominal value of Rs. 110 declares annual dividend of 15%. Calculate : (i) the total amount of dividend paid by the company, (ii) the annual income of Shah Rukh who holds 88 shares in the company, (iii) if he received only 10% on his investment, find the price Shah Rukh paid for each share. (2008)

ML aggarwal( avichal publication)class 10th , chapter3, shares and dividends …….. this has been asked in 2008 exam so this ...Read more

deepaksoniGuru

Asked: March 11, 2021In: ICSE

A man observes the angles of elevation of the top of a building to be 300. He walks towards it in a horizontal line through its base. On covering 60 m the angle of elevation changes to 600. Find the height of the building correct to the nearest decimal place.

sir this is the important question from the book -ML aggarwal( avichal publication) class 10th , chapter20 , heights and ...Read more

deepaksoniGuru

Asked: March 15, 2021In: ICSE

(i) (1 + sin A)/ cos A + cos A/ (1 + sin A) = 2 sec A (ii) tan A/ (sec A – 1) + tan A/ (sec A + 1) = 2cosec A

This is an important question taken from the Book Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter- Trigonometric Identities Chapter ...Read more

deepaksoniGuru

Asked: March 16, 2021In: ICSE

Sum of two natural numbers is 8 and the difference of their reciprocal is 2/15. Find the numbers.

This ques has been taken from Book:- ML aggarwal, Avichal publication, class10th, quadratic equation in one variable, chapter 5, exercise ...Read more

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Discy Latest Questions

A certain number of metallic cones each of radius 2 cm and height 3 cm are melted and recast in a solid sphere of radius 6 cm. Find the number of cones.

A man observes the angles of elevation of the top of a building to be 300. He walks towards it in a horizontal line through its base. On covering 60 m the angle of elevation changes to 600. Find the height of the building correct to the nearest decimal place.

(i) (1 + sin A)/ cos A + cos A/ (1 + sin A) = 2 sec A (ii) tan A/ (sec A – 1) + tan A/ (sec A + 1) = 2cosec A

Sum of two natural numbers is 8 and the difference of their reciprocal is 2/15. Find the numbers.