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Deepak BoraNewbie

Asked: August 29, 2020In: CBSE

Three cubes of iron whose edges are 6 cm, 8 cm and 10 cm, respectively are melted and formed into a single cube. Find the edge of the new cube formed.

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In the given problem shape of the object is cube to find answer of this question need to use cube ...Read more

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Deepak BoraNewbie

Asked: August 29, 2020In: CBSE

If the radii of the circular ends of a bucket 28 cm high, are 28 cm and 7 cm, then find its capacity and total surface area.

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This is one of the important question from the cbse board exam because this question was asked in 2011 cbse ...Read more

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Deepak BoraNewbie

Asked: September 8, 2020In: CBSE, ICSE

Taxi charges in a city consists of fixed charges and the remaining depending upon the distance travelled in kilometres. If a man travels 80 km, he pays Rs1330, and travelling 90km, he pays Rs 1490. Find the fixed charges and rate per km.

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An Important question based on Linear Equations in two Variables Chapter of R.S Aggarwal book for ICSE & CBSE ...Read more

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Deepak BoraNewbie

Asked: September 18, 2020In: CBSE, ICSE

Show that the system 2x+3y-1=0,4x+6y-4=0 has no solution.

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An Important question based on Linear Equations in two Variables Chapter of R.S Aggarwal book for ICSE & CBSE ...Read more

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AAREKHGuru

Asked: August 19, 2021In: CBSE

In a ∆ABC, AD is the bisector of ∠A, meeting side BC at D. If BD = 2.5 cm, AB = 5 cm and AC = 4.2 cm, find DC

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Question taken from RD sharma Class 10th Chapter no. 4 Chapter name:- Triangles Exercise :- 4.3 This is very basic ...Read more

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mehakNewbie

Asked: July 31, 2023In: CBSE

28. A path 2 m wide surrounds a circular pond of diameter 40 m. How many cubic meters of gravel is required to grave the path to a depth of 20 cm?

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Explain the question using, formulas given in the chapter. Class 10th, Cbse, RD Sharma, Surface area and volumes.

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Deepak BoraNewbie

Asked: July 1, 2020In: IIT, Olympiad

Prove that:- (a + b) (b + c) (c + a) ≥ 8abc.

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By AM-GM Inequality:- Prove that:- (a + b) (b + c) (c + a) ≥ 8abc. This is a great question from ...Read more

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Three cubes of iron whose edges are 6 cm, 8 cm and 10 cm, respectively are melted and formed into a single cube. Find the edge of the new cube formed.

If the radii of the circular ends of a bucket 28 cm high, are 28 cm and 7 cm, then find its capacity and total surface area.

Taxi charges in a city consists of fixed charges and the remaining depending upon the distance travelled in kilometres. If a man travels 80 km, he pays Rs1330, and travelling 90km, he pays Rs 1490. Find the fixed charges and rate per km.

Show that the system 2x+3y-1=0,4x+6y-4=0 has no solution.

In a ∆ABC, AD is the bisector of ∠A, meeting side BC at D. If BD = 2.5 cm, AB = 5 cm and AC = 4.2 cm, find DC

28. A path 2 m wide surrounds a circular pond of diameter 40 m. How many cubic meters of gravel is required to grave the path to a depth of 20 cm?

Prove that:- (a + b) (b + c) (c + a) ≥ 8abc.