Home
Class 14
REASONING
If (2)**4=2 and (4)**4=16, then what is ...

If `(2)**4=2` and `(4)**4=16`, then what is the value of A in `(6)**A=18?`

A

12

B

14

C

16

D

20

Text Solution

Verified by Experts

The correct Answer is:
A
`(2)^(#)**4=2`
`rArr (2)^(3)-:4=2`
`(4)^(#)**4=12`
`rArr (4)^(3)-:4=16`
`rArr 64-:4=16`
`rArr 6^(#)**A=18`
`rArr (6)^(3)-:a=18`
`rArr (216)/A)=18`
`:. A=(216)/(18)=12`
Promotional Banner

Topper's Solved these Questions

  • SYMBOLS & NOTATIONS

    KIRAN PUBLICATION|Exercise TYPE-III|38 Videos

  • SYMBOLS & NOTATIONS

    KIRAN PUBLICATION|Exercise TYPE-I (vii)|87 Videos

  • SYLLOGISM, STATEMENT AND CONCLUSIONS

    KIRAN PUBLICATION|Exercise TYPE II|193 Videos

  • WORD FORMATION

    KIRAN PUBLICATION|Exercise TYPE-II|71 Videos

Similar Questions

Explore conceptually related problems

If 4(4x)^(7)=4^(6^(2)) , then what is the value of x ?

If 2^(4)x4^(2)=16^(x), then find the value of x

If 11 $ 25 =18 ,12$ 20=16 then what is the value of 4$ 50 =?

If 2^(1)+4=2,4^(4)+8=32 , then what will be the value of 6^(2)+4?

KIRAN PUBLICATION-SYMBOLS & NOTATIONS-TYPE-II
  1. Choose the appropriate combination of signs to solve the equation. ...

    Text Solution

    |

  2. A**B means multiply A by B, A"@"B means divide A by B, A? B means add ...

    Text Solution

    |

  3. If 37**14=17, 69**33=34, 91**125=72 then what should be 28**56=?

    Text Solution

    |

  4. If 5xx3 = 19 and 8xx 5 = 49, then what should 6xx4 be? यदि 5xx3 = 1...

    Text Solution

    |

  5. Complete the third equation on the basis of a certain system followed ...

    Text Solution

    |

  6. If 4**2=3 and 8**4=3, then 21**7=?

    Text Solution

    |

  7. If 3**4=10,5**8=18,7**7=?

    Text Solution

    |

  8. Select the correct combination of mathematical signs to replace * sign...

    Text Solution

    |

  9. If 1**2=1,2**3=-1 and 3**4=-5, then find the value of 7**9=?

    Text Solution

    |

  10. Some equations are solved on the basis of certain system. Find out the...

    Text Solution

    |

  11. Some equations have been solved on the basis of a certain pattern. Fin...

    Text Solution

    |

  12. If 13**45=29,24**58=41,74**32=53, what should 97**47 be?

    Text Solution

    |

  13. Some equations have been solved on the basis of a certain pattern. Fin...

    Text Solution

    |

  14. Some equations are solved on the basis of a certain system. Find out t...

    Text Solution

    |

  15. If 38 # 49 = 24 and 96 # 51 = 21, then 87 # 78 = ?

    Text Solution

    |

  16. If 27 * 4 = 77 and 31 * 9 = 239, then 21 * 6 = ?

    Text Solution

    |

  17. If 17 ** 36= 17 and 41 ** 56= 16 then 41 * 32= ?

    Text Solution

    |

  18. If (2)**4=2 and (4)**4=16, then what is the value of A in (6)**A=18?

    Text Solution

    |

  19. If 6**9-4=58 and 3**9-7=34, then in expression A**4-9=91, what is the ...

    Text Solution

    |

  20. If 4**7**2=361 and 5**9**1=480, then 2**1**3=?

    Text Solution

    |