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Amina thinks of a number and subtracts 5...

Amina thinks of a number and subtracts `5/2` from it. She multiplies the result by 8. The result now obtained is 3 times the same number she thought of. What is the number?

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The correct Answer is:
`x = (20)/(5) = 4`
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SWAN PUBLICATION-LINEAR EQUATIONS IN ONE VARIABLE -EXERCISE 2.4
  1. Amina thinks of a number and subtracts 5/2 from it. She multiplies the...

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  2. A positive number is 5 times another number. If 21 is added to both th...

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  3. Sum of the digits of a two-digit number is 9. When we interchange the ...

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  4. One of the two digits of a two digit number is three times the other d...

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  5. Shobo's mother 's present age is six times Shobo's preset age.Shobo's ...

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  6. There is a narrow rectangular plot, reserved for a school, in Mahuli v...

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  7. Hasan buys two kinds of cloth materials for school uniforms, shirt mat...

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  8. Half of a herd of deer are grazing in the field and three fourths of t...

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  9. A grandfather is ten times older than his granddaughter. He is also 54...

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  10. Aman’s age is three times his son’s age. Ten years ago he was five tim...

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  11. Amina thinks of a number and subtracts 5/2 from it. She multiplies the...

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  12. A positive number is 5 times another number. If 21 is added to both th...

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    |

  13. Sum of the digits of a two-digit number is 9. When we interchange the ...

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    |

  14. One of the two digits of a two digit number is three times the other d...

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    |

  15. Shobo's mother 's present age is six times Shobo's preset age.Shobo's ...

    Text Solution

    |

  16. There is a narrow rectangular plot, reserved for a school, in Mahuli v...

    Text Solution

    |

  17. Hasan buys two kinds of cloth materials for school uniforms, shirt mat...

    Text Solution

    |

  18. Half of a herd of deer are grazing in the field and three fourths of t...

    Text Solution

    |

  19. A grandfather is ten times older than his granddaughter. He is also 54...

    Text Solution

    |

  20. Aman’s age is three times his son’s age. Ten years ago he was five tim...

    Text Solution

    |