Pair of Linear Equations

Important Questions

Q) Using graphical method, find whether following system of linear equations x = 0 and y = – 7 is consistent or not. Ans:  Draw…

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Q) Two pipes together can fill a tank in hours. The pipe with larger diameter takes 2 hours less than the pipe with smaller diameter…

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Q) A train travels at a certain average speed for a distance of 54 km and then travels a distance of 63 km at an average…

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Q) Two people are 16 km apart on a straight road. They start walking at the same time. If they walk towards each other with different…

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Q) Two schools ‘P’ and ‘Q’ decided to award prizes to their students for two games of Hockey Rs. x per student and Cricket Rs. y…

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Q) If 217x + 131y = 913 and 131x + 217y = 827, then solve the equations for the values of x and y. Ans: 217…

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Q) If the system of linear equations 2x+3y= 7 and 2ax + (a + b) y = 28 have infinite number of solutions, then find…

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Q)Jaya scored 40 marks in a test getting 3 marks for each correct answer and losing 1 mark for each incorrect answer., Had 4 marks…

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Q)Solve the pair of equations x = 5 and y = 7 graphically. Ans:  Plot both the equations on the graph. Increase till intersection point…

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Q) Using graphical method, find whether following system of linear equations x = 0 and y = – 3 is consistent or not. Ans:  Draw…

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Q) Half of the difference between two numbers is 2. The sum of the greater and twice the smaller number is 13. Find the numbers.…

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Q) (a) Solve the pair of equations x = 3 and y = – 4 graphically.  (b) Using graphical method, find whether following system of…

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