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Deepak BoraNewbie

Asked: September 25, 2020In: ICSE

(a) If the ratio of the radii of two sphere is 3 : 7, find : (i) the ratio of their volumes. (ii) the ratio of their surface areas. (b) If the ratio of the volumes of the two sphere is 125 : 64, find the ratio of their surface areas.

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

Deepak BoraNewbie

Asked: September 26, 2020In: ICSE

The radius of a sphere is 9 cm. It is melted and drawn into a wire of diameter 2 mm. Find the length of the wire in metres.

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

deepaksoniGuru

Asked: March 10, 2021In: ICSE

A man sold some Rs. 100 shares paying 10% dividend at a discount of 25% and invested the proceeds in Rs. 100 shares paying 16% dividend quoted at Rs. 80 and thus increased his income by Rs. 2000. Find the number of shares sold by him.

an important question from the book -ML aggarwal( avichal publication)class 10th , chapter3, shares and dividends …….. we have given that ...Read more

deepaksoniGuru

Asked: March 11, 2021In: ICSE

In the adjoining figure, not drawn to the scale, AB is a tower and two objects C and D are located on the ground, on the same side of AB. When observed from the top A of the tower, their angles of depression are 45 and 60. Find the distance between the two objects. If the height of the tower is 30. Give your answer to the nearest metre.

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

deepaksoniGuru

Asked: March 16, 2021In: ICSE

(i) (1+cos theta -sin^2 theta) / sin theta (1 + cos theta ) = cot theta. (ii)tan³ A – 1 / tan A -1 = sec² A + tan A

This ques has been taken from the Book Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter- Trigonometric Identities Chapter number-18Read more

deepaksoniGuru

Asked: March 16, 2021In: ICSE

The difference between the squares of two numbers is 45. The square of the smaller number is 4 times the larger number. Determine the numbers.

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

deepaksoniGuru

Asked: March 16, 2021In: ICSE

A shopkeeper buys a certain number of books for Rs 960. If the cost per book was Rs 8 less, the number of books that could be bought for Rs 960 would be 4 more. Taking the original cost of each book to be Rs x, write an equation in x and solve it to find the original cost of each book.

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

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(a) If the ratio of the radii of two sphere is 3 : 7, find : (i) the ratio of their volumes. (ii) the ratio of their surface areas. (b) If the ratio of the volumes of the two sphere is 125 : 64, find the ratio of their surface areas.

The radius of a sphere is 9 cm. It is melted and drawn into a wire of diameter 2 mm. Find the length of the wire in metres.

A man sold some Rs. 100 shares paying 10% dividend at a discount of 25% and invested the proceeds in Rs. 100 shares paying 16% dividend quoted at Rs. 80 and thus increased his income by Rs. 2000. Find the number of shares sold by him.

(i) (1+cos theta -sin^2 theta) / sin theta (1 + cos theta ) = cot theta. (ii)tan³ A – 1 / tan A -1 = sec² A + tan A

The difference between the squares of two numbers is 45. The square of the smaller number is 4 times the larger number. Determine the numbers.

A shopkeeper buys a certain number of books for Rs 960. If the cost per book was Rs 8 less, the number of books that could be bought for Rs 960 would be 4 more. Taking the original cost of each book to be Rs x, write an equation in x and solve it to find the original cost of each book.