Vishwanath
Tuesday, February 19, 2013
11. If log 32 x= 0.8, then x is equal to
A. 25.6 B. 16
C. 10 D.12.8
12. | If ax = by
|
| A. log a/b = x/y | B. log a/ log b = x/y | |
|
C. log a/ log b = y/x |
D. Non | |
13. | If log10 7 = a, then log10 |
| 1 |
| is equal to: | 70 | |
A. | - (1 + a) | B. | (1 + a)-1 | C. | | D. | | |
14. | If log10 2 = 0.3010, then log2 10 is equal to: |
| A. | | B. | | C. | 0.3010 | D. | 0.6990 | |
15. The value of log343 7 is
A. 1/3 B. - 3
C. - 1/3 D. 3
16. If logx 4 = 1/4, then x is equal to
A. 16 B. 64
C. 128 D. 256
17. | If log10 2 = 0.3010, the value of log10 80 is:
|
A. | 1.6020 | B. | 1.9030 | C. | 3.9030 | D. | None of these | |
18. | If log10 5 + log10 (5x + 1) = log10 (x + 5) + 1, then x is equal to: |
| |
19. The value of log2(log5625) is
A. 2 B. 5
C. 10 D.15
20. | The value of |
| 1 | + | 1 | + | 1 |
| is: | log3 60 | log4 60 | log5 60 |
|
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Title : Logarithms Practice Test 2
Description : 11. If log 32 x= 0.8, then x is equal to A. 25.6 B. 16 C. 10 D.12.8 View Answer With E...
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