4 Students Trick to Fool His Professor

There were 4 students who happen to be late to take the exam the semester because of oversleep.
They then develop strategies for compact gave the same reason that they were kind enough to give lecturers supplementary exam.

Student A: sir, sorry we are late to take the exam the semester

student B: yes sir. The four of us who ride public transportation as public transportation and its tires burst.

Student C: yes we are sorry for the same driver. We would help him install a new tire.

Student D: therefore we ask kindness to our fathers following the supplementary exam.

The professor thought for a moment and allow Them to take the exam finally aftershocks

The next day follow-up Examinations Carried out, but the four students were the resource persons asked to do exams at four different elbow room. "Ah, maybe I'll do not cheat," thought the students. Apparently there are only two exam questions. With the new provisions allowed They see and work on the problems second after finishing work on the problems first.

The first question is very easy with the weight value of 10. The four students working with a cynical smile
Read about the second turn with the weight value of 90. Cold sweat started pouring.
On the second question reads:
"Yesterday, where the tire exploded next to public transportation?"