Logarithm Problems - Logarithm Questions and Answers for SSC and Bank exams

Logarithm questions and answers for Competitive exams:

9. If log₁₀125+ log₁₀8 = x then x is equal to:

(A) 0.3

(B) – 3

(C) – 2

(D) 3

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10. (log₅ 3) X (log₃ 625) equals:

(A) 0

(B) 2

(C) 3

(D) 4

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11. If log₁₀ 2 = 0.3010, and log 3 = 0.4771, the value of log₅ 512 is:

(A) 2.798

(B) 2.856

(C) 3.876

(D) 3.801

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12. If log₁₀ 2 = 0.3010, and log₁₀ 7 = 0.8451, the value of log₁₀ 2.8 is:

(A) 0.4471

(B) 0.2480

(C) 2.5582

(D) None of these

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13. If log 2 = 0.30103, the number of digits in 4⁵⁰ is:

(A) 29

(B) 31

(C) 10

(D) 20

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14. The value of log₅ is:

(A) 3

(B) – 3 

(C) 

(D)  

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15. The value of log₁₀ (.0001) is:

(A) 

(B) 

(C) – 4 

(D) 4

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16. If log_X 4 = 0.4, then the value of X is:

(A) 2

(B) 8

(C) 16

(D) 32

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