Home
Class 14
MATHS
If (1)/(2) is added to a number and the ...

If `(1)/(2)` is added to a number and the sum is multiplied by 3, the result is 21. Then the number is :

A

`6.5`

B

`5.5`

C

`4.5`

D

`-6.5`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NUMBER SYSTEM

    KIRAN PUBLICATION|Exercise TYPE-VII|98 Videos
  • NUMBER SYSTEM

    KIRAN PUBLICATION|Exercise TEST YOURSELF|25 Videos
  • NUMBER SYSTEM

    KIRAN PUBLICATION|Exercise TYPE-V|21 Videos
  • MISCELLANEOUS

    KIRAN PUBLICATION|Exercise TYPE-VI|15 Videos
  • PERCENTAGE

    KIRAN PUBLICATION|Exercise TEST YOURSELF|23 Videos

Similar Questions

Explore conceptually related problems

if 19 is added toa number and then the sum is divided by 4, the result is 12, find the number

(1)/(2) is subtracted from a number and the difference is multiplied by 4. If 25 is added to the product and the sum is divided by 3, the result is equal to 10. Find the number

If 1 is subtracted from a number and the difference is multiplied by 1/2, the result is 7.

If 1/2 is subtracted from a number and the difference is multiplied by 4, the result is 5. What is the number?

When 20.2 is multiplied by 18.01, the result in round number is:

If 2(1)/(2) is added to a number and the sum multiplied by 4(1)/(2) and 3 is added to the product and the sum is divided by 1(1)/(5), the quotient becomes 25. What is the numbers? 2(1)/(2) b.backslash3(1)/(2) c.4(1)/(2) d.5(1)/(2)

A number is increased by 2 and then multiplied by 3. The result is 24. What is this number?

A number x divided by 10 and 7 is added to the quotient and then the sum is multiplied by 3 to give the result N. Frame the formula by making x as the subject.

KIRAN PUBLICATION-NUMBER SYSTEM-TYPE-VI
  1. The numerator of a fraction is 4 less than its denominator. If the num...

    Text Solution

    |

  2. In a class, there are z students. Out of them 'X are boys. What part o...

    Text Solution

    |

  3. Divide 50 into two parts so that the sum of their reciprocals is (1)/(...

    Text Solution

    |

  4. A school group charters three identical buses and occupies (4)/(5) of ...

    Text Solution

    |

  5. 0.bar123 is equal to :

    Text Solution

    |

  6. The sum of three numbers is 2 , the 1 st number is 1/2 times the 2nd n...

    Text Solution

    |

  7. If (1)/(2) is added to a number and the sum is multiplied by 3, the re...

    Text Solution

    |

  8. The decimal fraction 2.3bar49 is equal to

    Text Solution

    |

  9. The value of (1)/(20)+(1)/(30)+(1)/(42)+(1)/(56)+(1)/(72)+(1)/(90) is

    Text Solution

    |

  10. A mason can build a wall in 70 hours. After 7 hours he takes a break. ...

    Text Solution

    |

  11. find the number that is as much greater than 49 as is less than 95.

    Text Solution

    |

  12. The reciprocal of the sum of the reciprocals of (2)/(9) and (7)/(10) i...

    Text Solution

    |

  13. What is the value of ((3)/(5)+(7)/(9))?

    Text Solution

    |

  14. The sum of twice a number and thrice its reciprocal is (25)/(2) . Wha...

    Text Solution

    |

  15. In a college, (1)/(5) th of the girls and (1)/(8) th of the boys took ...

    Text Solution

    |

  16. A fraction is greater than twice its reciprocal by (7)/(15). What is t...

    Text Solution

    |

  17. Convert the 0.0068 Into vulgar fraction :

    Text Solution

    |

  18. If (1)/((3.197))=0.3127 find the value of (1)/((0.0003197))

    Text Solution

    |

  19. Represent the 0.000256 in vulgar fraction.

    Text Solution

    |

  20. In a fraction when 3 is added to its numerator and denominator it beco...

    Text Solution

    |