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From the pair of linear equations in the...

From the pair of linear equations in the following problems, and find their solutions graphically:
5 pencils and 7 pens together cost Rs. 50, whereas 7 pencils and 5 pens together cost Rs. 46. Find the cost of one pencil and that of one pen.

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The correct Answer is:
pencil = Rs. 3, pen = Rs. 5
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KUMAR PRAKASHAN-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES -EXERCISE 3.2
  1. From the pair of linear equations in the following problems, and find ...

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  2. From the pair of linear equations in the following problems, and find ...

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  3. On comparing the ratios (a(1))/(a(2)), (b(1))/(b(2)) and (c(1))/(c(2))...

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  4. On comparing the ratios (a(1))/(a(2)), (b(1))/(b(2)) and (c(1))/(c(2))...

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  5. On comparing the ratios (a(1))/(a(2)), (b(1))/(b(2)) and (c(1))/(c(2))...

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  6. On comparing the ratios (a(1))/(a(2)), (b(1))/(b(2)) and (c(1))/(c(2))...

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  7. On comparing the ratios (a(1))/(a(2)), (b(1))/(b(2)) and (c(1))/(c(2))...

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  8. On comparing the ratios (a(1))/(a(2)), (b(1))/(b(2)) and (c(1))/(c(2))...

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  9. On comparing the ratios (a(1))/(a(2)), (b(1))/(b(2)) and (c(1))/(c(2))...

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  10. On comparing the ratios (a(1))/(a(2)), (b(1))/(b(2)) and (c(1))/(c(2))...

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  11. Which of the following pairs of linear equations are consistent/incons...

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  12. Which of the following pairs of linear equations are consistent/incons...

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  13. Which of the following pairs of linear equations are consistent/incons...

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  14. Which of the following pairs of linear equations are consistent/incons...

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  15. Half the perimeter of a rectangular garden, whose length is 4m more t...

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  16. Given the linear equation 2x+3y-8=0, write another linear equation in ...

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  17. Draw the graphs of the equations x-y+1=0 and 3x+2y-12=0. Determine the...

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