Home
Class 7
MATHS
(3^(-1)xx5^(-1))^(-1)()(\ \ )= 1/(15)\ ...

`(3^(-1)xx5^(-1))^(-1)()_(\ \ )=` `1/(15)\ \ \ ` (b) `-1/(15)` 15 (d) `-15`

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

(1)/(15)+(1)/(15)+(1)/(15) = ?

3xx(-1)xx(-15)= ______

Simplify: 1/(1+(2/3)/(1+2/3+(8/9)/(1-2/3))) . (11)/(13) (b) (13)/(15) (c) (13)/(11) (d) (15)/(13)

(1)/(15xx16)=....-(1)/(16)

(17)/(15)xx(17)/(15)+(2)/(15)xx(2)/(15)-(17)/(15)xx(4)/(15) is equal to (a)0(b)1(c)10(d)11

Simplify. (i) ((15^(1//3))/(9^(1//4)))^(-6) (ii) ((12^(1//5))/(27^(1//5)))^(5//2) (iii) ((15^(1//4))/(3^(1//2)))^(-2)

Value of -^(15)C_(1) + 2..^(15)C_(2)- 3.^(15)C_(3) + ...... - 15.^(15)C_(15)+ ^(15)C_(1)+ ^(15)C_(2)+ ....^(15)C_(14) is

RD SHARMA-EXPONENT-All Questions
  1. (6^(-1)-8^(-1))^(-1) = 1/(24) (b) 24 -24 (d) -1/(24)

    Text Solution

    |

  2. 2^(3^2) = (a)64                                         (b) 32 (c...

    Text Solution

    |

  3. (3^(-1)xx5^(-1))^(-1)()(\ \ )= 1/(15)\ \ \ (b) -1/(15) 15 (d) -15

    Text Solution

    |

  4. (-3/5)^(-1) = 3/5 (b) 5/3 -5/3 (d) -3/5

    Text Solution

    |

  5. (-1)^(301)+(-1)^(302)+(-1)^(303)+ ....+(-1)^(400) (b) 101 100 (d) 0

    Text Solution

    |

  6. If a=25 , then a^((25)^0)+a^(0^(25))= (a)25 (b) 26 (c)24 (d) 0

    Text Solution

    |

  7. {(1/3)^(-3)-(1/2)^(-3)}-:(1/4)^(-3) = (19)/(64) (b) (64)/(19) (27)/(1...

    Text Solution

    |

  8. (25^2-15^2)^(3/2) = 4000\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ...

    Text Solution

    |

  9. If (5/3)^(-5)xx(5/3)^(11)=(5/3)^(8x) , than x=? (a)-1/2 (b) -3/4 (c)...

    Text Solution

    |

  10. [{(-1/3)^2}^(-2)]^(-1) = (a) 1/(81) (b) 1/9 (c) -1/(81) (d) -1/9

    Text Solution

    |

  11. ((144)^(1/2)+(256)^(1/2))/(3^2-2)= (A) 8 (B) 4 (C) -4 (D) -8

    Text Solution

    |

  12. ( 1+3+5+7+9+11 )^ (3/2)   = (a)36                              ...

    Text Solution

    |

  13. If a b c = 0, then ({(x^a)^b}^c)/({(x^b)^c}^a) = (a)3 (b) 0 (c)-1 (d...

    Text Solution

    |

  14. (2^3)^4 = 2^4^3 (b) 2^3^4 (2^4)^3 (d) none of these

    Text Solution

    |

  15. { ( 33 ) 2 − ( 31 ) 2 } 5 7 = (a)64               ...

    Text Solution

    |

  16. If a b c=0 , then find the value of {(x^a)^b}^c (a)1 (b) a (c)b (d) ...

    Text Solution

    |

  17. If a=3^(-3)-3^3\ a n d\ b=3^3-3^(-3),\ t h e n a/b-b/a (a) 0 (b) 1 (c)...

    Text Solution

    |

  18. What should be multiplied to 6^(-2) so that the product may be equal t...

    Text Solution

    |

  19. If x y z=0, then find the value of (a^x)^(y z)+(a^y)^(z x)+(a^z)^(x y)...

    Text Solution

    |

  20. If 2^n=4096 , t h e n\ 2^(n-5) = (a)128 (b) 64 (c)256 (d) 32

    Text Solution

    |