Home
Class 14
MATHS
The mean of 1^(3), 2^(3), 3^(3), 4^(3), ...

The mean of `1^(3)`, `2^(3)`, `3^(3)`, `4^(3)`, `5^(3)`, `6^(3)`, `7^(3)` is

A

20

B

112

C

56

D

28

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • POWER, INDICES AND SURDS

    KIRAN PUBLICATION|Exercise Type -VI|17 Videos

  • POWER, INDICES AND SURDS

    KIRAN PUBLICATION|Exercise Type -VII|34 Videos

  • POWER, INDICES AND SURDS

    KIRAN PUBLICATION|Exercise Type -IV|198 Videos

  • PIPE AND CISTERN

    KIRAN PUBLICATION|Exercise TIPE-IV|9 Videos

  • PROFIT AND LOSS

    KIRAN PUBLICATION|Exercise TEST YOURSELF|23 Videos

Similar Questions

Explore conceptually related problems

1^(3)+2^(3)+3^(3)+4^(3)+5^(3)+6^(3)+7^(3)+8^(3)+9^(3)+10^(3)

The average of 4(3/5) , 2(2/3) , 6(8/9) , 7(7/15) , 3(5/9) is:

The mean of (1)/(3),(3)/(4),(5)/(6),(1)/(2) and (7)/(12) is

STATEMENT -1: The tens digit of 1! + 2! + 3! + 4! + 5! +........... + 50! is 1. STATEMENT-2 : The sum of divisors of 2^(4)3^(5)5^(2)7^(3) is 2^(5).3^(6).5^(3).7^(4) - 2.3.5.7.

((3^(-1)7^(2))/(3^(3)7^(-4)))/((3^(3)7^(-5))/(2^(-2)7^(3)))

The sum of the series 1+ 2/3+ (1)/(3 ^(2)) + (2 )/(3 ^(3)) + (1)/(3 ^(4)) + (2)/(3 ^(5)) + (1)/(3 ^(6))+ (2)/(3 ^(7))+ …… upto infinite terms is equal to :

KIRAN PUBLICATION-POWER, INDICES AND SURDS-Type -V
  1. If (2^(3))^(2)=4^(x) then 3^(x) is equal to

    Text Solution

    |

  2. The value of [(0.87)^(2)+(0.13)^(2)+(0.87)xx(0.26)]^(2013) is

    Text Solution

    |

  3. The mean of 1^(3), 2^(3), 3^(3), 4^(3), 5^(3), 6^(3), 7^(3) is

    Text Solution

    |

  4. If x=3^((1)/(3))-3^(-(1)/(3)), then (3x^(3)+9x) is equal to

    Text Solution

    |

  5. The exponential form of sqrt(sqrt(2)xxsqrt(3)) is

    Text Solution

    |

  6. The quotient when 10^(100) is divided by 5^(75) is

    Text Solution

    |

  7. If m^(n)=169 what is the value of (m+1)^((n-1)) ?

    Text Solution

    |

  8. If a=b^(p), b=c^(q), c=c^(r ) then pqr is

    Text Solution

    |

  9. Which of the following numbers is not a factor of 5^(p)7^(q) (p ne 0, ...

    Text Solution

    |

  10. What will be the remainder when 252^(126)+244^(152) is divided by 10 ?

    Text Solution

    |

  11. If 4^((x+y))=256 and (256)^((x-y))=4, what are the value of x and y ?

    Text Solution

    |

  12. The unit's digit of the number 6^(256)-4^(256) is

    Text Solution

    |

  13. What is the value of positive square root of (69+28sqrt(5)) ?

    Text Solution

    |

  14. 3^(11)+3^(12)+3^(13)+3^(14) is divisible by

    Text Solution

    |

  15. 4^(11)+4^(12)+4^(13)+4^(14) is divisible by

    Text Solution

    |

  16. What is the unit's digit of 125^(125)+216^(216) ?

    Text Solution

    |

  17. Which value among 3^(200), 2^(300) and 7^(100) is the largest ?

    Text Solution

    |

  18. If ((x)/(y))^(5a-3)=((y)/(x))^(17-3a), what is the value of a ?

    Text Solution

    |

  19. How many 100 digit positive number are there ?

    Text Solution

    |

  20. What is the unit digit of (217)^(413)xx(819)^(547)xx(414)^(624)xx(342)...

    Text Solution

    |