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Places A and B are 150 km apart on a hig...

Places A and B are 150 km apart on a highway. One car starts from A and another from B at the same time at different speeds. If the cars travel in the same direction, they meet in 6 hours. If they travel towards each other, they meet in 2 hours. What are the speeds of the two cars?

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BEYOND PUBLICATION-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES-EXERCISE
  1. 2x+3y=1,3x-y=7 then (x,y)=………….

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  2. Raghava went to a 'sale' to purchase some pants and shirts. He purchas...

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  3. Places A and B are 150 km apart on a highway. One car starts from A an...

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  4. Solve the following pair of equations by reducing them to a pair of li...

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  5. Solve each of the following pairs of equations by reducing them to a p...

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  6. The graph of a pair of linear equations such that (a1)/(a2)=(b1)/(b2)n...

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  7. If (a1)/(a2)=(b1)/(b2)=(c1)/(c2) then the lines are………lines.

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  8. The lines x=5y passes through…………

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  9. 3x-5y=-1,-y+x=-1 then (x,y)=………

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  10. (2,(-1)/(4)) in……………

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  11. Q1={1,2,3,6,8,9} ; Q2={7,8,9,10} then Q1 nn Q2=...

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  12. (x+1)/(2)+(y+1)/(3)=9,(x-1)/(3)+(y+1)/(2)=8 then x=………

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  13. The ration of incomes of two persons is 11: 7 and the ration of their ...

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  14. For which value of k will the following pair of linear equations have ...

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  15. If the lines given by 3x+2ky=2 and 2x+5y+1=0 are parallel, then the va...

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  16. The pair of equations y=0 and y=-3 has

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  17. The pair of equations 3x+2y=5, 2x-3y=7

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  18. The age of a daughter is one third the age of her father. If the prese...

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  19. x=7 is a line

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  20. x-y=0,2x-y=2, then y=

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