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If log 2 = 0.30103, the number of digits in 2⁶⁴ is:

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If log 2 = 0.30103, the number of digits in 2⁶⁴ is: Answer: 20

log (2⁶⁴) = 64 x log 2 = (64 x 0.30103) = 19.26592 Its characteristic is 19. Hence, the number of digits in 2⁶⁴ is 20.

Question context

This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.