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If the age of a girl 6 years ago was 3x ...

If the age of a girl 6 years ago was 3x years then her present age is 3x + 6.

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NAND LAL PUBLICATION-LINEAR EQUATIONS IN ONE VARIABLE-SAMPLE PAPER FOR PRACTICE
  1. A number when divide by 6 gives the quotient 6. What is the number?

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  2. In a linear equation, highest power of the variable is .

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  3. The solution of the equation (4)/(m) = 16 is

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  4. Two different equation can never have same solution.

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  5. If (x)/(4) + 1 = (3)/(8) "then" (x)/(4) = (-5)/(8)

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  6. In the equation 7x - 8 = 10, transposing -8 to 10 gives 7x = 2.

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  7. If the age of a girl 6 years ago was 3x years then her present age is ...

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  8. If 5 times a number increased by 7 is 42, the number is

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  9. Which of the following is a linear equation in one variable.

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  10. Solution of the equation (4x)/(5) = x - 2

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  11. Which of the following has the coefficient of x as 1 in a linear equat...

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  12. Two-third the number is 5 and more than 7 the number is .

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  13. Sum of three consecutive multiples of 6 is 666

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  14. 6 times a number subtracted from 15 gives to 10

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  15. (3)/(5) th of a number is 4 more than half of a number.

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  16. What number must be added to each of the numbers 2, 6, 4, 9 so that th...

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  17. Distance between two places A and B is 860 km. Two cars start simultan...

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  18. Solve the equations (4m + 3)/(7) + 2 = (m + 5)/(2) and verify the resu...

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  19. Two supplementary angles differ by 50^(@). Find the measures of the tw...

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  20. 10 years ago grandmother was thrice as old as granddaughter, 15 year l...

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