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If logx 4=0.4, then the value of x is a....

If `log_x 4=0.4`, then the value of `x` is a. `1` b. `4` c. `16` d. `32`

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RS AGGARWAL-LOGARITHMS-All Questions
  1. If log8 p=25\ and log2 q=5, then a. p=q^(15) b. p^2=q^3 c. p=q^5 d. p^...

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  2. If logx (9/16) =-1/2, then x is equal to a. -3/4 b. 3/4 c. (81)/(256) ...

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  3. If logx 4=0.4, then the value of x is a. 1 b. 4 c. 16 d. 32

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  4. If log(10000) x=-1/4,\ then \ x is equal to a. 1/(10) b. 1/(100) c. 1/...

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  5. If logx 4=1/4, then x is equal to a. 16 b. 64 c. 128 d. 256

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  6. If logx (0.1)=-1/3, then the value of x is a. 10 b. 100 c. 1000 d. 1/(...

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  7. If log(32)x=0.8 ,\ t h e n\ x is equal to a. 25.6 b. 16 c. 10 d. 12.8

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  8. If logx y=100\ and log2 x=10, then the value of y is a. 2^(10) b. 2^(1...

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  9. The value of log(-1//3) 81 is equal to a. -27 b. -4 c. 4 d. 27

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  10. Find the value of (log)(2sqrt(3))1728.

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  11. log sqrt8/log8 is equal to a. 1/sqrt8 b. 1/4 c. 1/2 d. 1/8

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  12. Which of the following statements is "not" correct? a. log(10) 10=1 b....

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  13. The value of (6 log(10) 1000)/(3 log(10) 100) is equal to a. 0 b. 1 c....

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  14. (log)(10)(10xx10^2xx10^3xx dotxx10^9) is 10 b. 20 c. 45 d. 55

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  15. The value of (log)2((log)5 625) is 2 b. 5 c. 10 d. 15

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  16. If log2 [log3 (log2 x)]=1, then x is equal to a. 0 b. 12 c. 128 d. 512

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  17. log10 log10 log10\ (10^(10^10)) is equal to a. 0 b. 1 c. 10 d. 100

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  18. (log)2(log)2(log)3(log)3 27^3 is 0 b. 1 c. 2 d.\ 3

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  19. The value of (log)2[(log)2{(log)4((log)4 256^4)}]\ is 0 b. 1 c. 2 d. ...

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  20. If a^x=b^y , then a. log\ a/b=x/y b. (loga)/(logb)=x/y c. (loga)/(logb...

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