Question Detail
Question
48. When converted to binary, octal and hexadecimal respectively, the decimal number 65 is:
Correct Answer
Option D is the correct answer.
Detailed Explanation
65 in binary = 1000001, octal = 101 (since 65/8=8 rem 1, 8/8=1 rem 0, 1/8=0 rem 1 → 101), hex = 41 (since 65/16=4 rem 1).
Hint
65 is 64+1 in binary, 8^2+1 in octal, 16*4+1 in hex.