Home
Class 11
MATHS
If N is the number of ways in which 3...

If `N` is the number of ways in which 3 distinct numbers canbe selected from the set `{3^1,3^2,3^3, ,3^(10)}` so that they form a G.P. then the value of `N//5` is ______.

Promotional Banner

Topper's Solved these Questions

  • LOGARITHM

    CENGAGE PUBLICATION|Exercise All Questions|177 Videos
  • PROBABILITY

    CENGAGE PUBLICATION|Exercise All Questions|1 Videos

Similar Questions

Explore conceptually related problems

Statement 1: The number of ways in which three distinct numbers can be selected from the set {3^1,3^2,3^3, ,3^(100),3^(101)} so that they form a G.P. is 2500. Statement 2: if a ,b ,c are in A.P., then 3^a ,3^b ,3^c are in G.P. (a) Statement 1 and Statement 2, both are correct. Statement 2 is the correct explanation for Statement 1 (b) Statement 1 and Statement 2, both are correct. Statement 2 is not the correct explanation for Statement 1 (c) Statement 1 is correct but Statement 2 is not correct. (d) Both Statement 1 and Statement 2 are not correct.

The number of ways in which three distinct numbered in an increasing A.P. can be selected from the set {1,2,3……24} is

Given that n is the odd the number of ways in which three numbers in A.P. can be selected from {1,2,3,4….,n} is

Find the number of ways of selecting 3 pairs from 8 distinct objects.

Find the number of all onto functins from the set {1,2,3..,n} to itself.

Number of 4 digit numbers which are divisible by 4 that can be formed from the digits 1,2,3,4 and 5 is

If two distinct numbers m and n are chosen at random form the set {1, 2, 3, …, 100}, then find the probability that 2^(m) + 2^(n) + 1 is divisible by 3.

A number is chosen at random from the set 1,2,3 …100 and another number is chosen at random from the set 1,2,3,…50 what is the expected value of the product ?

Three distinct numbers are selected from first 100 natural numbers. The probability that all the three numbers are divisible by 2 and 3 is -

Find the number of distinct rational numbers x such that oltxlt1 and x=p//q , where p ,q in {1,2,3,4,5,6} .

CENGAGE PUBLICATION-PERMUTATIONS AND COMBINATIONS-All Questions
  1. Seven relatives of a man comprises four ladies and three gentlemen:...

    Text Solution

    |

  2. A three-digit number is to be formed using the digits 0, 1, 2, 3, 4, a...

    Text Solution

    |

  3. If N is the number of ways in which 3 distinct numbers canbe select...

    Text Solution

    |

  4. Find the total number of nine-digit numbers that can be formed using t...

    Text Solution

    |

  5. m men and n women are to be seated in a row so that no two ...

    Text Solution

    |

  6. Ten different letters of an alphabet are given . Word with five letter...

    Text Solution

    |

  7. If, ^n Cr=84 , and ^n C(r-1)=36,and ^n C(r+1)=126 , then find the val...

    Text Solution

    |

  8. Eight chairs are numbered 1 to 8. Two women and three men wish to oc...

    Text Solution

    |

  9. The value of expression .^47 C4+sum(j=1)^5.^(52-j)C3 is equal to a.....

    Text Solution

    |

  10. The number of n digit numbers which consists of the digit 1 and 2 on...

    Text Solution

    |

  11. If ""^n C3+ ""^n C4 > ""^(n+1)C3 , then a. n >6 b. n >7 c. n...

    Text Solution

    |

  12. The value of sum(r=0)^(n-1) (""^nCr)/(""^nCr+ ""^n C(r+1)) equals a....

    Text Solution

    |

  13. A bag contains four one-rupee coins, two twenty-five paisa coins, a...

    Text Solution

    |

  14. There are four letters and four directed envelopes. The number of w...

    Text Solution

    |

  15. Kanchan has 10 friends among whom two are married to each other. She...

    Text Solution

    |

  16. Number of ways in which three numbers in A.P. can be selected from ...

    Text Solution

    |

  17. The total number of positive integral solution of 15 < x1+x2+x3 lt= 20...

    Text Solution

    |

  18. A train time table must be compiled for various days of the week, so t...

    Text Solution

    |

  19. The streets of a city are arranged like the lines of a chess board. ...

    Text Solution

    |

  20. A batsman scores exactly a century by hitting fours and sixes in 20...

    Text Solution

    |