Evaluate: 10111 - 10*2*5 = ?	Choose the correct answer.
A) 10101
B) 10110
C) 11100
D) 11001
E) 11011

Rationale: according to order of operations , 10 ? 2 ? 5 ( division and multiplication ) is done first from left to right 10 / 2 = 5 * 2 = 10 hence 10111 - 10 * 2 * 5 = 10111 - 10 = 10101 correct answer a
Answer: A