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Sum of the present ages of Manish and Sa...

Sum of the present ages of Manish and Savita is 31 . Manish's age 3 years ago was 4 times the age of Savita . Find their present ages .

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The correct Answer is:
Savita's present age is 8 years and Manish's present age is 23 years
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CHETAN PUBLICATION-LINEAR EQUATIONS IN TWO VARIABLES -Problem Set - 1
  1. Places A and B are 30 km apart and they are on a straight road. Humid ...

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  2. To find number of notes that Anushka had complete the following activi...

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  3. Sum of the present ages of Manish and Savita is 31 . Manish's age 3 ye...

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  4. In a factory the ratio of salary of skilled and unskilled workers is ...

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  7. Find the value of |{:(" "5," "3),(-7,-4):}|

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  8. To solve x+y=3,3x-2y-4=0 by determinant method find D

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  9. ax+by=c and mx+ny=d. If an ne bm, then these simultaneous equations ha...

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  10. The general form of linear equation in two variables is ........

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  11. Solve the following simultaneous linear equations in two variables by ...

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  12. Find the value of x + y, if 12x+13y=29 and 13x+12y=21

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  13. Express the following in following in the mathematical form using x an...

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  14. Find the value of D(x), for solving the simultaneous equations 3x+4y=8...

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  15. ........ Is the solutions of given simultaneous equations x-y=7,x+y=1...

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  16. Solve the following simultaneous linear equations in two variables by ...

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  17. Solve the following simultaneous linear equations in two variables by ...

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  18. x+3y = -4 ; 5x-7y=68

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  19. The pair of simultaneous equations from the following is .......... ...

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  20. The equation of X-axis is of the form

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