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5 pencils and 7 pens together cost Rs. 5...

5 pencils and 7 pens together cost Rs. 50 where as 7 pencils and 5 pens together cost Rs. 46. Find the cost of one pencil and that of one pen.

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VGS PUBLICATION-BRILLIANT-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES-EXERCISE
  1. Neha went to a 'sale' to purchase some pants and skirts. When her frie...

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  2. 10 students of Class-X took part in a mathematics quiz. If the number ...

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  3. 5 pencils and 7 pens together cost Rs. 50 where as 7 pencils and 5 pen...

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

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  5. We have a linear quations 2x + 3y - 8 = 0. Write another linear equati...

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  6. The area of a rectangle gets reduced by 80 sq. units if its length is ...

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  7. In X class, if three students sit on each bench, one student will be l...

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  8. Solve the given pair of equations using substitution method. 2x-y=5,3x...

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  9. Solve the following pair of linear equations using elimination method....

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  10. Rubina went to a bank to withdraw Rs. 2000. She asked the cashier to ...

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  11. In a competitive exam, 3 marks are to be awarded for every correct an...

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  12. Mary told her daughter, "Seven years ago, I was seven times as old as ...

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  13. A publisher is planning to produce a new textbook. The fixed costs are...

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  14. Solve each pair of equation by using the substitution method. 3x-5y=-1...

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  15. Solve each pair of equation by using the substitution method. x+2y=-1 ...

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  16. Solve each pair of equation by using the substitution method. 2x+3y=9 ...

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  17. Solve each pair of equation by using the substitution method. x+(6)/(y...

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  18. Solve each pair of equation by using the substitution method. 0.2x+0.3...

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  19. Solve each pair of equation by using the substitution method. sqrt(2)x...

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  20. Solve each of the following pairs of equations by the elimination meth...

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