Multiple choice general knowledge science & technology

135 in decimal system is/are ____.

  1. 87 in hexadecimal system

  2. 207 in octal system

  3. 10000111 in binary notation

  4. 1000111 in binary system

Reveal answer Fill a bubble to check yourself
A,B,C Correct answer
Explanation

Decimal 135 equals 87 in hex (8×16+7), 207 in octal (2×64+0×8+7), and 10000111 in binary (128+4+2+1). Option D (1000111=7 bits) is incorrect - the binary representation requires 8 bits (10000111). Verify: hex 87 (8×16+7=135), octal 207 (2×64+0×8+7=135).