Home
Class 14
MATHS
A student calculated the average of 10, ...

A student calculated the average of 10, three digit number. But due to mistake he reversed the digits of a number and thus his average increased by 19.8. Find the difference between the unit digit and hundreds digit of that of that number

A

8

B

4

C

2

D

Can't determined

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ALLIGATIONS

    QUANTUM CAT|Exercise QUESTION BANK|54 Videos

  • CI/ SI/ INSTALMENTS

    QUANTUM CAT|Exercise QUESTION BANK |99 Videos

Similar Questions

Explore conceptually related problems

The average of nine 2 digit numbers is decreased by 6 when the digits of one of the 2 digit numbers is interchanged. Find the difference between the digits of that number.

The average of nine 2 digit numbers is decreased by 6 when the digits of one the 2 digit numbers is interchanged. Find the difference between the digits of that number.

When you reverse the digits of the number 13, the number increases by 18. How many other two-digit numbers increase by 18 when their digits are reversed?

The sum of the digits of a two digit number is 8 and the difference between the number and that formed by reversing the digits is 18. Find the number.

The sum of digits of a two digit number is 8 and the difference between the number and that formed by reversing the digits is 18. What is the difference between the digits of the number

The ten's digit of a three digit number is 3. If the hundredth and unit digits are interchanged and the number thus formd is 396 more than the previous one. The sum of unit digit and hundred difit is 14, then what is the number ?

If P is a 3-digit number and Q is the number formed by reversing the digits of P, then find the difference between the place value of the digits in the tenth place.

The difference between is 2-digit number and the number obtained by intercanging its digits is 63. What is the difference between the digits of the number?

QUANTUM CAT-AVERAGES-QUESTION BANK
  1. Mr. tyagi while going from merrut to saharanpur covered half the dista...

    Text Solution

    |

  2. There are four types of candidates in our coaching preparing for the C...

    Text Solution

    |

  3. A student calculated the average of 10, three digit number. But due to...

    Text Solution

    |

  4. Once my peon went to the office of Skyline courier with 4 different en...

    Text Solution

    |

  5. The average expenditure of the hotel when there are 10 guests is ₹60 p...

    Text Solution

    |

  6. A={2,3,5,7,11,...89,97} B={4,6,8,10,12,...98,100} C={1,9,15,21,25,27...

    Text Solution

    |

  7. A={2,3,5,7,11,...89,97} B={4,6,8,10,12,...98,100} C={1,9,15,21,25,27...

    Text Solution

    |

  8. A={2,3,5,7,11,...89,97} B={4,6,8,10,12,...98,100} C={1,9,15,21,25,27...

    Text Solution

    |

  9. There are 3 sets of natural numbers 1 ot 100. Set A contains all the n...

    Text Solution

    |

  10. A={2,3,5,7,11,...89,97} B={4,6,8,10,12,...98,100} C={3,9,15,21, 27,3...

    Text Solution

    |

  11. A={2,3,5,7,11,...89,97} B={4,6,8,10,12,...98,100} C={3, 9,15,21,27,3...

    Text Solution

    |

  12. A={2,3,5,7,11,...89,97} B={4,6,8,10,12,...98,100} C={1,9,15,21,25,27...

    Text Solution

    |

  13. A={2,3,5,7,11,...89,97} B={4,6,8,10,12,...98,100} C={3,9,15,21,27,33...

    Text Solution

    |

  14. A={2,3,5,7,11,...89,97} B={4,6,8,10,12,...98,100} C={3,9,15,21,27,33...

    Text Solution

    |

  15. A={2,3,5,7,11,...89,97} B={4,6,8,10,12,...98,100} C={3,9,15,21,27,33...

    Text Solution

    |

  16. A={2,3,5,7,11,...89,97} B={4,6,8,10,12,...98,100} C={3,9,15,21,27,33...

    Text Solution

    |

  17. 5 elements below 25 from the set A are transferred to Set B, and 10 el...

    Text Solution

    |

  18. 5 elements below 25 from the set A are transferred to Set B, and 10 el...

    Text Solution

    |

  19. 5 elements below 25 from the set A are transferred to Set B, and 10 el...

    Text Solution

    |

  20. If 10-10 elements are transferred from Set A to Set B,then Set B to Se...

    Text Solution

    |