Chapter 3 – Pair of Linear Equations in Two Variables
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It can take 12 hours to fill a swimming pool using two pipes. If the pipe of larger diameter is used for four hours and the pipe of smaller diameter for 9 hours, only half of the pool can be filled. How long would it take for each pipe to fill the pool separately?
22
Nov
It can take 12 hours to fill a swimming pool using two pipes. If the pipe of larger diameter is used for four hours and the pipe of smaller diameter for 9 hours, only half of the pool can be filled. How long would it take for each pipe to fill the pool separately? It [...]
Jamila sold a table and chair for rupees 1050 making a profit of 10% on a table and 25% on chair if she had taken a profit of 25% on the table and 10% on the chair she would have got rupees 1065. Find the cost price of each.
22
Nov
Jamila sold a table and chair for rupees 1050 making a profit of 10% on a table and 25% on chair if she had taken a profit of 25% on the table and 10% on the chair she would have got rupees 1065. Find the cost price of each. 47x+21y=162 Solve the following pair of [...]
Determine algebraically the vertices of the triangle formed by the lines. 5x-y=5 , x+2y=1 and 6x+y=17.
22
Nov
Determine algebraically the vertices of the triangle formed by the lines. 5x-y=5 , x+2y=1 and 6x+y=17. Determine algebraically the vertices of the triangle formed by the lines. 5x-y=5 x+2y=1 and 6x+y=17. November 22, 2020 Category: Chapter 3 - Pair of Linear Equations in Two Variables , Maths , NCERT Class 10 ,
Draw the graph of line x = -2 and y = 3.write vertices of figure formed by these lines, the x-axis and the y-axis. also find the area of figure.
22
Nov
Draw the graph of line x = -2 and y = 3.write vertices of figure formed by these lines, the x-axis and the y-axis. also find the area of figure. Draw the graph of line x = -2 and y = 3.write vertices of figure formed by these lines the x-axis and the y-axis. also [...]
Draw the graph of pair of linear equations x-y+2=0 and 4x-y-4=0. calculate the area of triangle formed by lines so drawn and the x-axis.
22
Nov
Draw the graph of pair of linear equations x-y+2=0 and 4x-y-4=0. calculate the area of triangle formed by lines so drawn and the x-axis. Draw the graph of pair of linear equations x-y+2=0 and 4x-y-4=0. calculate the area of triangle formed by lines so drawn and the x-axis. November 22, 2020 Category: Chapter 3 - [...]
Solve the following pair of linear equation 21x+47y=110, 47x+21y=162
22
Nov
Solve the following pair of linear equation 21x+47y=110, 47x+21y=162 47x+21y=162 Solve the following pair of linear equation 21x+47y=110 November 22, 2020 Category: Chapter 3 - Pair of Linear Equations in Two Variables , Maths , NCERT Class 10 ,
For which the values of p and q will the following pair of linear equations have infinitely many solutions 4x+5y=2, (2p+7q)x+(p+8q)y=2q-p+1
22
Nov
For which the values of p and q will the following pair of linear equations have infinitely many solutions 4x+5y=2, (2p+7q)x+(p+8q)y=2q-p+1 (2p+7q)x+(p+8q)y=2q-p+1 For which the values of p and q will the following pair of linear equations have infinitely many solutions 4x+5y=2 November 22, 2020 Category: Chapter 3 - Pair of Linear Equations in Two [...]
Is the pair of equations x + 2y – 3 = 0 and 6y + 3x – 9 = 0 consistent? Justify your answer
22
Nov
Is the pair of equations x + 2y – 3 = 0 and 6y + 3x – 9 = 0 consistent? Justify your answer Is the pair of equations x + 2y – 3 = 0 and 6y + 3x – 9 = 0 consistent? Justify your answer November 22, 2020 Category: Chapter 3 - [...]
Do the equations 4x+3y-1=5 and 12x+9y=15 represent a pair of coincident lines. Justify your answer.
22
Nov
Do the equations 4x+3y-1=5 and 12x+9y=15 represent a pair of coincident lines. Justify your answer. Do the equations 4x+3y-1=5 and 12x+9y=15 represent a pair of coincident lines. Justify your answer. November 22, 2020 Category: Chapter 3 - Pair of Linear Equations in Two Variables , Maths , NCERT Class 10 ,
Is it true to say that the pair of equations? -x+2y+2=0 and 1/2x-1/4y-1=0. Has a unique solution? Justify your answer.
22
Nov
Is it true to say that the pair of equations? -x+2y+2=0 and 1/2x-1/4y-1=0. Has a unique solution? Justify your answer. Is it true to say that the pair of equations? -x+2y+2=0 and 1/2x-1/4y-1=0. Has a unique solution? Justify your answer. November 22, 2020 Category: Chapter 3 - Pair of Linear Equations in Two Variables , [...]