Home
Class 14
MATHS
The set S1 = {1}, S2 = {3,5}, S3 = {7,9,...

The set `S_1 = {1}, S_2 = {3,5}, S_3 = {7,9,11}` , etc. forms a sequence.
The 11th element of the set `S_(21)` is :

A

21

B

121

C

221

D

441

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
QUANTUM CAT-NUMBER SYSTEM-QUESTION BANK
  1. 12345/12346+12346/12347+12347/12345 is equal to :

    Text Solution

    |

  2. The set S1 = {1}, S2 = {3,5}, S3 = {7,9,11} , etc. forms a sequence. ...

    Text Solution

    |

  3. The set S1 = {1}, S2 = {3,5}, S3 = {7,9,11} , etc. forms a sequence. ...

    Text Solution

    |

  4. The set S1={1} S2={3,5}, S3={7,9,11} etc. forms a sequence. The sum o...

    Text Solution

    |

  5. During my studies once I brought a book from library which was written...

    Text Solution

    |

  6. The sum of 4+16-5+12 is.

    Text Solution

    |

  7. The value of x for which the unit digits of (2357)^(log10 x) and (5723...

    Text Solution

    |

  8. The value of x for which the unit digits of the following two expressi...

    Text Solution

    |

  9. When any odd number greater than unity multiplied by even times by its...

    Text Solution

    |

  10. Stephen's birthday, this year falls on 2nd April, Wednesday. But coinc...

    Text Solution

    |

  11. Stephen's birthday, this year falls on 2nd April, Wednesday. But coinc...

    Text Solution

    |

  12. An N.G.O (non- government organisation) STRANGE working for the relief...

    Text Solution

    |

  13. When the sum of n digits of an n digit number is subtracted from the n...

    Text Solution

    |

  14. For every natural number x and y the value of x-y when y+7/x+y/13=6 3/...

    Text Solution

    |

  15. The S={(1,3,5,7,9,…,99)(102,104,106,…200)} i.e., in the first part the...

    Text Solution

    |

  16. The S={(1,3,5,7,9,…,99)(102,104,106,…200)} i.e., in the first part the...

    Text Solution

    |

  17. The number of zeros at the end of the following expression: P = {(2 ...

    Text Solution

    |

  18. 1,2,3,4,10,11,12,13,14,20,21,22,23,24,… are the consecutive numbes wri...

    Text Solution

    |

  19. Watch India Corporation made a wrist watch in which the minute hand ma...

    Text Solution

    |

  20. The sum of first n numbers of the form (5k + 1), where k in I^+ is :

    Text Solution

    |