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Deepak BoraNewbie

Asked: September 18, 2020In: CBSE, ICSE

For what value of k will the following pair of linear equations have no solution? 2x+3y=9,6x+(k-2)y=(3k-2)

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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

For what value of k does the following pair of linear equations have infinitely many solutions? 10x+5y-(k-5)=0 and 20x+10y-k=0

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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

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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Deepak BoraNewbie

Asked: September 18, 2020In: CBSE, ICSE

Write the number of solutions of the following pair of linear equations: x+2y-8=0, 2x+4y=16

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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 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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Deepak BoraNewbie

Asked: September 10, 2020In: CBSE

A lending library has fixed charge for the first three days and an additional charge for each day thereafter. Mona paid Rs 27 for a book kept for 7 days, While tanvy paid Rs 21 for the book she kept for 5 days. Find the fixed charge and the charge for each extra day.

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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

0

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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For what value of k will the following pair of linear equations have no solution? 2x+3y=9,6x+(k-2)y=(3k-2)

For what value of k does the following pair of linear equations have infinitely many solutions? 10x+5y-(k-5)=0 and 20x+10y-k=0

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

Write the number of solutions of the following pair of linear equations: x+2y-8=0, 2x+4y=16

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.

A lending library has fixed charge for the first three days and an additional charge for each day thereafter. Mona paid Rs 27 for a book kept for 7 days, While tanvy paid Rs 21 for the book she kept for 5 days. Find the fixed charge and the charge for each extra day.

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.