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If log 3, log(3^x-2) and\ log(3^x+4) are...

If `log 3, log(3^x-2) and\ log(3^x+4)` are in arithmetic progression, the `x` is equal to a. `8/3` b. `log 3^8` c. `8` d. `log2^3`

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RS AGGARWAL-LOGARITHMS-All Questions
  1. If log7 log5 (sqrt(x+5)+sqrt(x))=0, what is the value of x ? a. 2 b. 3...

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  2. If a=log8 225\ and\ b=log2 15, then a in terms of b is a. b/2 b. b c. ...

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  3. If log27 = 1.431, then the value of log 9 is

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  4. If log(10) 2=0.3010, the value of log(10) 5 is a. 0. 3241 b. 0. 6911 c...

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  5. If log(10) 2=0.3010 the value of log(10) 80 is a. 1. 6020 b. 1. 9030 c...

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  6. If log3=0. 477\ and\ (1000)^x=3, then x equals a. 0. 0159 b. 0. 0477 c...

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  7. If log(10) 2=0.3010, the value of log(10) 25 is a. 0. 6020 b. 1. 2040 ...

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  8. If log(10)20=1.3010\ and log(10) 30=1.4771, then log(10) (60000) is eq...

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  9. If log2=0.3010\ and log3=0.4771, the value of log5 512 is a. 2. 870 b....

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  10. If log(10) 3=1.4771\ and\ log(10) 7=0.8451, then the value of log(10)(...

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  11. If log(10) 2=0.3010\ and log(10) 3=0.4771, then the value of log(10) 1...

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  12. If log(10)2=0.3010\ and log(10)7=0.8451 , then the value of log(10) 2....

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  13. If log(0.57)= bar1 .756 , then the value of log57+log(0.57)^3+log\ sqr...

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  14. If the logarithm of a number is -3.153, what are characteristic and ma...

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  15. If log2=0. 30103, the number of digit is 2^(64) is a. 18 b. 19 c. 20 ...

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  16. If log2=0.30103, the number of digit in 4^(50) is a. 30 b. 31 c. 100 d...

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  17. If log2=0. 30103 , then the number of digit in 5^(20) is a. 14 b. 16 c...

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  18. If log2=0. 30103, log3=0. 47712, then the number of digits in 6^(20) i...

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  19. The number of digits 4^9xx5^(17), when expressed in usual form is a. 1...

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  20. If log 3, log(3^x-2) and\ log(3^x+4) are in arithmetic progression, th...

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