In a mixed college 160 students are there in one class. Out of this 160 students 5/8 students are girls. How many boys are there ?  Choose the correct choice from the following options:
A) 40  B) 60  C) 80  D) 120  E) 140

Rationale: "total number of students : 160 total girls : 160 * 5 / 8 = 100 total boys : 160 - 100 = 60 answer is b"
Answer: B