Home
Class 7
MATHS
49xx49xx49xx49=7^? 4 b. 7 c. 8 d. 16...

`49xx49xx49xx49=7^?` `4` b. `7` c. `8` d. `16`

A

`4`

B

`7`

C

`8`

D

`16`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • EXPONENTS AND POWERS

    MTG IIT JEE FOUNDATION|Exercise EXERCISE (MULTIPLE CHOICE QUESTION) (LEVEL -II)|15 Videos

  • EXPONENTS AND POWERS

    MTG IIT JEE FOUNDATION|Exercise EXERCISE (MATCHING)|2 Videos

  • EXPONENTS AND POWERS

    MTG IIT JEE FOUNDATION|Exercise NCERT SECTION (EXERCISE 12.3)|21 Videos

  • DATA HANDLING

    MTG IIT JEE FOUNDATION|Exercise Olympiad / Hots Corner |20 Videos

  • FRACTIONS AND DECIMALS

    MTG IIT JEE FOUNDATION|Exercise Olympiad/HOTS Corner|13 Videos

Similar Questions

Explore conceptually related problems

49xx49xx49xx49=7^(?)4b.7c.8d.16

49^(x)=7^(3)

1960div(x xx4)=49

1002div49xx99-1299=?

2xx3=49,5xx6=2536,1xx9=181,4xx7=?

H.C.F. of 4xx27xx3125 , 8xx9xx25xx7 & 16xx81xx5xx11xx49 is (a) 180 (b) 360 (c) 540 (d) 1260

16.003xx29.998-49.002xx9.009=?

If 5xx4=15,7xx8=49 and 6xx5= 24 , then 8xx4 is equal to :

If 7xx8=49,4xx4=12 and 6xx4=18 , what will 9xx6 be?

If 5 xx 4 =15,7 xx 8 = 49 and 6 xx 5 = 24 , thn 8 xx 4 is equal to

MTG IIT JEE FOUNDATION-EXPONENTS AND POWERS-EXERCISE (MULTIPLE CHOICE QUESTION) (LEVEL -I)
  1. Differentiate ((x^(a))/(x^(b)))^(a+b)*((x^(b))/(x^(c)))^(b+c)*((x^(c))...

    Text Solution

    |

  2. The value of (8^(-25)-8^(-26)) is 7xx8^(-25) b. 7xx8^(-26) c. 8xx8^(-...

    Text Solution

    |

  3. 49xx49xx49xx49=7^? 4 b. 7 c. 8 d. 16

    Text Solution

    |

  4. Number of prime factors is (6^(12)xx(35)^(28)xx(15)^(16))/((14)^(14)xx...

    Text Solution

    |

  5. If 5^((x+3))=25^((3x-4)), then the value of x is 5/(11) b. (11)/5 c. (...

    Text Solution

    |

  6. If 2^(n-1)+2^(n+1)=3, then n is equal to 0 b. 2 c. -2 d. -1

    Text Solution

    |

  7. If 3^(x)-3^(x-1)=18, then the value of x^x is

    Text Solution

    |

  8. By what number should ((2)/(3))^3 be divided so that the quotient is (...

    Text Solution

    |

  9. By what number should ((3)/(5))^2 be multiplied so that the product i...

    Text Solution

    |

  10. Find the value of x so that 5^(2x)xx5^(3)=5^6.

    Text Solution

    |

  11. Find the value of x, if (2^(x-1)*4^(2x+1))/(8^(x-1))=64.

    Text Solution

    |

  12. If 800xx(x^3)^(2)=8xx10^8, then x=

    Text Solution

    |

  13. Express 32xx10000000 in standard form.

    Text Solution

    |

  14. Usual form of -4.8xx10^8 is

    Text Solution

    |

  15. Simplify : 7^(16)xx7^(5)xx((1)/(7))^(11)

    Text Solution

    |

  16. If [5^(9)xx5^(3)]div[5^(15)div5^(3)]=5^m, then find the value of m.

    Text Solution

    |

  17. If (x)/(y)=((2)/(3))^(3)div((3)/(2))^2, then the value of ((x)/(y))^3 ...

    Text Solution

    |

  18. Find the value of [{((-3)/(8))^2}^0]^(7).

    Text Solution

    |

  19. Find the value of (3^(0)xx4^(0)+2^(0)xx3^0)/(16^0).

    Text Solution

    |

  20. Find 'a' such that ((6)/(7))^(a)xx((6)/(7))^(3a)=(1296)/(2401).

    Text Solution

    |