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Solve the following word problems : The...

Solve the following word problems :
The sum of the present ages of Manish and Savita is 31 years. 3 years ago Manish's age was four times Savita's age at that time. Find the present ages.

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Solve the following problem using two variables: Sum of the present ages of Manish and Savita is 33. Manish's age 3 years ago was 4 times the age of Savita. Find their present ages.

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NAVNEET PUBLICATION-LINEAR EQUATIONS IN TWO VARIABLES-EXERCISE
  1. Solve the following word problems : The sum of the present ages of Ma...

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  2. Draw the graph of x+y=6 which intersects the X-axis and Y-axis at A a...

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  3. Find the values of a and b for which the simultaneous linear equations...

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  4. Choose the correct alternative from those given below each question: ...

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  5. Choose the correct alternative from those given below each question: ...

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  6. Choose the correct alternative from those given below each question: ...

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  7. Choose the correct alternative from those given below each question: ...

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  8. Choose the correct alternative from those given below each question: ...

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  9. Choose the correct alternative from those given below each question: ...

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  10. Choose the correct alternative from those given below each question: ...

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  11. Choose the correct alternative from those given below each question: ...

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  12. Choose the correct alternative from those given below each question: ...

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  13. Choose the correct alternative from those given below each question: ...

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  14. Choose the correct alternative from those given below each question: ...

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  15. Choose the correct alternative from those given below each question: ...

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  16. Write one solution of the equation 2x-y+1=0.

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  17. Write one solution of the equation x+3y=11

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  18. Find the value of x, if 4x+3y=23 and y=5

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  19. Find the value of x, if 3x+y=15 and y=4

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  20. Find the value of x, if 2x+y=7 and y=-3

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  21. Find the value of(x+y) if 15x+17y=21,17x+15y=11.

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