Multiple choice

Conversion of binary number 11001 to decimal number is _____.

  1. 27

  2. 25

  3. 19

  4. 10

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Binary 11001 equals 1×16 + 1×8 + 0×4 + 0×2 + 1×1 = 25. Multiply each binary digit by its position value (powers of 2 from right to left) and sum the results.