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Deepak BoraNewbie

Asked: September 26, 2020In: ICSE

From a cube of edge 14 cm, a cone of maximum size is carved out. Find the volume of the remaining material.

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

Deepak BoraNewbie

Asked: September 26, 2020In: ICSE

A hollow metallic cylindrical tube has an internal radius of 3 cm and height 21 cm. The thickness of the metal of the tube is 1/2 cm. The tube is melted and cast into a right circular cone of height 7 cm. Find the radius of the cone correct to one decimal place.

An Important Question of M.L Aggarwal book of class 10 Based on Mensuration Chapter for ICSE BOARD. Here a hollow metallic ...Read more

deepaksoniGuru

Asked: March 10, 2021In: ICSE

What sum should a person invest in Rs 25 shares, selling at Rs 36, obtain an income of Rs 720, if the dividend declared is 12%? Also find the percentage return on his income.

sir this is a question from the book -ML aggarwal( avichal publication)class 10th , chapter3, shares and dividends Kindly solve this ...Read more

deepaksoniGuru

Asked: March 11, 2021In: ICSE

A ladder is placed against a wall such that it reaches the top of the wall. The foot of the ladder is 1.5 metres away from the wall and the ladder is inclined at an angle of 600 with the ground. Find the height of the wall.

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

deepaksoniGuru

Asked: March 11, 2021In: ICSE

A vertical pole and a vertical tower are on the same level ground. From the top of the pole the angle of elevation of the top of the tower is 60 and the angle of depression of the foot of the tower is 30. Find the height of the tower if the height of the pole is 20 m.

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

This is an important question from the Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter- Trigonometric Identities Chapter number-18 We. Have ...Read more

deepaksoniGuru

Asked: March 16, 2021In: ICSE

The perimeter of a rectangular plot is 180 m and its area is 1800 m². Take the length of the plot as x m. Use the perimeter 180 m to write the value of the breadth in terms of x. Use the values of length, breadth and the area to write an equation in x. Solve the equation to calculate the length and breadth of the plot.

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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Discy Latest Questions

From a cube of edge 14 cm, a cone of maximum size is carved out. Find the volume of the remaining material.

A hollow metallic cylindrical tube has an internal radius of 3 cm and height 21 cm. The thickness of the metal of the tube is 1/2 cm. The tube is melted and cast into a right circular cone of height 7 cm. Find the radius of the cone correct to one decimal place.

What sum should a person invest in Rs 25 shares, selling at Rs 36, obtain an income of Rs 720, if the dividend declared is 12%? Also find the percentage return on his income.

A ladder is placed against a wall such that it reaches the top of the wall. The foot of the ladder is 1.5 metres away from the wall and the ladder is inclined at an angle of 600 with the ground. Find the height of the wall.

A vertical pole and a vertical tower are on the same level ground. From the top of the pole the angle of elevation of the top of the tower is 60 and the angle of depression of the foot of the tower is 30. Find the height of the tower if the height of the pole is 20 m.

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