What is the decimal equivalent of the octal number 157?

Options

  • A. 107
  • B. 109
  • C. 111
  • D. 117
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

C. 111

Detailed Explanation

Correct Answer: (C) 111
Octal 157 = (1 × 8²) + (5 × 8¹) + (7 × 8⁰).
= 64 + 40 + 7 = 111 in decimal.