Logarithm Mcqs

Which of the following statements is not correct?

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log₁₀ 10 = 1
log (2 + 3) = log (2 x 3)
log₁₀ 1 = 0
log (1 + 2 + 3) = log 1 + log 2 + log 3

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Logarithm Mcqs

log (2 + 3) = log (2 x 3)

If log 2 = 0.3010 and log 3 = 0.4771, the value of log₅ 512 is:

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2.870
2.967
3.876
3.912

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Logarithm Mcqs

3.876

log 8 is equal to:

log 8

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1

8
1

4
1

2
1

8

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Logarithm Mcqs

If log 27 = 1.431, then the value of log 9 is:

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0.934
0.945
0.954
0.958

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Logarithm Mcqs

0.954

If log a + log b = log (a + b), then:

b a

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a + b = 1
a - b = 1
a = b
a² - b² = 1

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Logarithm Mcqs

a + b = 1

If log₁₀ 7 = a, then log₁₀ 1 is equal to:

70

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- (1 + a)
(1 + a)^-1
a

10
1

10a

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Logarithm Mcqs

- (1 + a)

If log₁₀ 2 = 0.3010, then log₂ 10 is equal to:

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699

301
1000

301
0.3010
0.6990

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Logarithm Mcqs

1000

301

If log₁₀ 2 = 0.3010, the value of log₁₀ 80 is:

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1.6020
1.9030
3.9030
None of these

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Logarithm Mcqs

1.9030

If log₁₀ 5 + log₁₀ (5x + 1) = log₁₀ (x + 5) + 1, then x is equal to:

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Logarithm Mcqs

The value of 1 + 1 + 1 is:

log₃ 60 log₄ 60 log₅ 60

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Logarithm Mcqs