Home
Class 14
MATHS
A number is doubled and 9 is added. If t...

A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number?

A

3.5

B

6

C

8

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • LINEAR EQUATIONS

    DISHA PUBLICATION|Exercise STANDARD LEVEL|19 Videos

  • LINEAR EQUATIONS

    DISHA PUBLICATION|Exercise EXPERT LEVEL|13 Videos

  • LINEAR EQUATIONS

    DISHA PUBLICATION|Exercise TEST YOUSELF|15 Videos

  • INTEREST

    DISHA PUBLICATION|Exercise Test Yourself|15 Videos

  • LOGARITHMS

    DISHA PUBLICATION|Exercise Test Yourself |15 Videos

Similar Questions

Explore conceptually related problems

A number is doubled and 9 s added. If the resultant is trebled, it becomes 75. What is that number? a. 3.5 b. 6 c. 8 d. none of these

If a number is multiplied by 5 and 5 is added to it, then the result is equal to 50. Find the number

The number n is doubled and then y is added to it. The result is, then divided by 2 and the original number n is subtracted from it. The final result is

The number n is doubled and then y is added to it: The result is, then divided by 2 and the original number n is subtracted from it. The final result is

DISHA PUBLICATION-LINEAR EQUATIONS-FOUNDATION LEVEL
  1. The number obtained by interchanging the two digits of a two-digit num...

    Text Solution

    |

  2. The age of the father 5 years ago was 5 times the age of his son. At p...

    Text Solution

    |

  3. If the numerator of a fraction is increased by 150% and denominator of...

    Text Solution

    |

  4. The denominator of a fraction is 2 more than thrice its numerator. If ...

    Text Solution

    |

  5. Smita was asked to multiply a certain number by 36. She multiplied it ...

    Text Solution

    |

  6. Ravi has spent a quarter ((1)/(4)) of his life as a boy, one-fifth ((1...

    Text Solution

    |

  7. In a group of equal number of cows and herdsmen the number of legs was...

    Text Solution

    |

  8. The ratio of the present ages of a mother and daughter is 7:1. Four ye...

    Text Solution

    |

  9. A number when subtracted by 1/7 of itself gives the same value as the ...

    Text Solution

    |

  10. Farah got married 8 years ago. Today her age is 1 2/7 times her age at...

    Text Solution

    |

  11. There are some parrots and some tigers in a forest. If the total numbe...

    Text Solution

    |

  12. The ratio between a two - digit number and the sum of the digits of th...

    Text Solution

    |

  13. The ratio of two numbers is 4: 7. If each of these numbers increases b...

    Text Solution

    |

  14. A number of two digits has 3 for its unit's digit, and the sum of digi...

    Text Solution

    |

  15. A number is doubled and 9 is added. If the resultant is trebled, it be...

    Text Solution

    |

  16. The difference between a two-digit number and the number obtained by i...

    Text Solution

    |

  17. 54 is to be divided into two parts such that the sum of 10 times the f...

    Text Solution

    |

  18. The sum of five whole numbers is 145. If m is the largest of the five ...

    Text Solution

    |

  19. A man has 480 in the denominations of one-rupee notes, five-rupee note...

    Text Solution

    |

  20. If the numerator of a fraction is increased by 200% and the denominato...

    Text Solution

    |