Home
Class 14
MATHS
If the numerator and denominator of a fr...

If the numerator and denominator of a fraction are exchanged then the product of these two fractions becomes equal to 1. The total number of such fractions is :

A

1

B

31

C

13

D

infinitely many

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MENSURATION

    QUANTUM CAT|Exercise QUESTION BANK|449 Videos
  • PERCENTAGES

    QUANTUM CAT|Exercise QUESTION BANK|271 Videos

Similar Questions

Explore conceptually related problems

When the numerator and the denominator of a fraction are increased by 1 and 2 respectively, the fraction becomes 2/3 and when the numerator and the denominator of the same fraction are increased by 2 and 3 respectively, the fraction becomes 5/7 . What is the original fraction?

The sum of the numerator and denominator of a fraction is 11. If 1 is added to the numerator and 2 is subtracted from the denominator it becomes 2/3 . The fraction is

If the numerator ad the denominator of a fraction is increased by 3 and 4 repectively, the fraction becomes (4)/(5) and if the numerator and denominator of the same fraction are increased by 7 and 3 respectively, the fraction becomes (4)/(3) . What is the original fraction ?

The difference between the numerator and the denominator of a fraction is 5. If 5 is added to its denominator, the fraction is decreased by 1 1/4 . Find the value of the fraction.

The sum of the numerator and denominator of a fraction is 8. If 3 is added to both of the numerator and the denominator, the fraction becomes (3)/(4) . Find the fraction.

When the numerator and the denominator of a fraction are increased by 1 and 2 respectively, the fraction becomes (2)/(3) , and when the numerator and the denominator of the same fraction are increased by 2 and 3 respectively, the fraction becomes (5)/(7) .What is the original fraction ?

The sum of the nermerator and denominator of a fraction greater by 1 than thrice the numerator. If the numerator decreased by 1 , then the fraction reduces to (1)/(3) . Find the fraction

The sum of the numerator and denominator of a fraction is 12. If the denominator is increased by 3, the fraction becomes 1/2 Find the fraction.

A fraction becomes 4 when 1 is added to both the numerator and denominator and it becomes 7 when 1 is substracted from both the numerator and denominator. The numerator of the given fraction is :

QUANTUM CAT-NUMBER SYSTEM-QUESTION BANK
  1. The number of two digit numbers which are perfect square and perfect c...

    Text Solution

    |

  2. Aprajita multiplies a number by 72 insted of 27, then her new answer w...

    Text Solution

    |

  3. If the numerator and denominator of a fraction are exchanged then the ...

    Text Solution

    |

  4. 5/4 th of a number is 60 more than half of the same number the require...

    Text Solution

    |

  5. When 50 is added to the 50% of a number, then the number becomes itsel...

    Text Solution

    |

  6. If we reverse the digits of a two digit number then the difference bet...

    Text Solution

    |

  7. A two digit number is 4 times the sum of its digits and the unit digit...

    Text Solution

    |

  8. When a two digit number is subtracted from the other two digit number ...

    Text Solution

    |

  9. There is a three digit number such that the sum of its end digits (uni...

    Text Solution

    |

  10. A three digit number which on being subtracted from another three digi...

    Text Solution

    |

  11. Find the digital sum of 7586902.

    Text Solution

    |

  12. The product of 174 and 26 is 4524.

    Text Solution

    |

  13. Find the product of 102030 xx 405060 xx 708090

    Text Solution

    |

  14. For any natural number n, if D (n) is the sum of all the digits of D(n...

    Text Solution

    |

  15. Which of the following is not a valid Pythagorean relation in which x^...

    Text Solution

    |

  16. The speeds of three cars are in the ratio 2 : 3 : 5. The ratio of the ...

    Text Solution

    |

  17. Convert (16)10 into binary system (or in base 2)

    Text Solution

    |

  18. Convert (35)(10) into base 3.

    Text Solution

    |

  19. Convert (8976)10 into base 9.

    Text Solution

    |

  20. Convert (124)10 into binary system.

    Text Solution

    |