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Deepak BoraNewbie

Asked: August 29, 2020In: CBSE

A metallic cone of radius 12 cm and height 24 cm is melted and made into spheres of radius 2 cm each. How many spheres are formed?

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This is one of the important question from the cbse board exam; Question number 19 from RS Aggarwal book page ...Read more

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Deepak BoraNewbie

Asked: September 10, 2020In: CBSE

Five years hence, a man’s age will be three times the age of his son. Five years ago, the man was seven times as old as his son. find their present ages.

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This is the Important question based on Linear Equations in two Variables Chapter of R.S Aggarwal book for ICSE ...Read more

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Deepak BoraNewbie

Asked: September 18, 2020In: CBSE, ICSE

Find the value of k for which the following pair of linear equations have infinitely many solutions: 2x+3y=7, (k-1)x+(k+2)y=3k

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ICSE & CBSE Board Question Based on Linear Equations in two Variables of RS Aggarwal In this question pair of ...Read more

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deepaksoniGuru

Asked: June 29, 2021In: CBSE

Question 6: Find the four numbers in A.P., whose sum is 50 and in which the greatest number is 4 times the least.

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This is the basic and conceptual question from Chapter name- Arithmetic Progression Chapter number- 9 Exercise 9.5 In this question we ...Read more

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Deepak BoraNewbie

Asked: July 19, 2020In: CBSE

POLYNOMIALS CLASS 10

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If the sum of zeroes of the quadratic polynomial 3x2 – kx + 6 is 3, then find the value of ...Read more

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Deepak BoraNewbie

Asked: August 29, 2020In: CBSE

Three cubes of a metal whose edges are in the ratio 3 : 4 : 5 are melted and converted into a single cube whose diagonal is 12√3 cm. Find the edges of the three cubes.

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in the given problem ratio of three cube edges are given. This question was asked in 2013 cbse board exam. Question ...Read more

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Deepak BoraNewbie

Asked: September 10, 2020In: CBSE

90% and 97% pure acid solutions are mixed to obtain 21 litres of 95% pure acid solution. Find the quantity of each type of acid to be mixed to form the mixture.

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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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A metallic cone of radius 12 cm and height 24 cm is melted and made into spheres of radius 2 cm each. How many spheres are formed?

Five years hence, a man’s age will be three times the age of his son. Five years ago, the man was seven times as old as his son. find their present ages.

Find the value of k for which the following pair of linear equations have infinitely many solutions: 2x+3y=7, (k-1)x+(k+2)y=3k

Question 6: Find the four numbers in A.P., whose sum is 50 and in which the greatest number is 4 times the least.

POLYNOMIALS CLASS 10

Three cubes of a metal whose edges are in the ratio 3 : 4 : 5 are melted and converted into a single cube whose diagonal is 12√3 cm. Find the edges of the three cubes.

90% and 97% pure acid solutions are mixed to obtain 21 litres of 95% pure acid solution. Find the quantity of each type of acid to be mixed to form the mixture.