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Form the pair of linear equations In the following problems and find their solutions (if they exist) by any algebraic method. :- Places A and B are 100 km apart on a highway. One car starts from A and another from B at the same time. If the cars travel in the same direction at different speeds they meet in 5 hours. If they travel towards each other, they meet in 1 hour. What are the speeds of the two cars ?

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Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method :- Points A and B are 70 km apart on a highway. A carstarts from A and another car starts from B simultaneously. If they travel in the same direction, they meet in 7 hours, but if they travel towards each other, they meet in one hour. Find the speed of two cars.

Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method :-Places A and B are 80 km apart from each other on a highway. A car starts from A and another from B at the same time. If they move in the same direction they meet in 8 hours , and if they move in opposite direction, they meet in 1 hour and 20 minutes respectively. Find the speed of the cars.

From the pair of linear equations in the following problems and find their solutions (if they exist) by elimination method : Points A and B are 90 km apart from each other on a highway. A car starts from A and another from B at the same time. If they go in the same direction they meet in 9 hours and if they go in opposite direction they meet in 9/7 hours. Find their speeds.

A and B are two points of 150 km apart on a highway. A car starts from A and another from B at the same time. If they move in the same direction, they meet in 15 hours, but if they move in opposite direction, they meet in one hour. Find their speeds.

Points A and B are 90 km apart from each other on a highway. A car starts from A and another from B at the same time. If they go in the same direction they meet in 9 hours and if they go in opposite direction they meet in 9/7 hours. Find their speeds.

Form the pair of linear equations In the following problems and find their solutions (if they exist) by any algebraic method. :- A fraction becomes 1/3 when 1 is subtracted from the numerator and it becomes 1/4 when 8 is added to its denominator. Find the fraction.

Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method :- for which value of k the following linear pair of equations have no solution ? 3x + y=1 and (2k-1)x+(k- 1)y= 2k+1.

Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method :-A fraction becomes 3/4 if 1 is subtracted from denominator. If 3 is added to both the numerator and denominator, it becomes 5/6 . Find the fraction.

Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method :- The ratio of incomes of two persons is 9 : 7 and ratio of their expenditures is 4 : 3. If each of them saves ? 200 per month. Find their monthly incomes.

MBD-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES-EXERCISE
  1. Form the pair of linear equations In the following problems and find t...

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  2. 4 chairs and 3 tables cost ? 2100 and 5 chairs and 2 tables cost ? 175...

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  3. Two years ago a father was five times as old as his son. Two years lat...

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  4. 9 pens and 5 pencils cost rs.154 and 13 pens and 7 pencils cost rs.222...

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  5. Ram says to his son, 5 years ago, I was 7 times as old as you were an...

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  6. Puneet Sharma starts his job in a school with a certain monthly salary...

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  7. Deepak buy 2 tickets from station A to station B and 3 from station A ...

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  8. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

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  9. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

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  10. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

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  11. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

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  12. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

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  13. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

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  14. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

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  15. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

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  16. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

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  17. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

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  18. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

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  19. On comparing the ratios (a1)/(a2), (b1)/(b2), (c1)/(c2) and without d...

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  20. Which of the following pairs of linear equations are consistent ? Obta...

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  21. Which of the following pairs of linear equations are consistent ? Obta...

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