Student: Four of the following five parts (a), (b), (c), (d) and (e) are exactly equal. The number of the part which is not equal to the other four parts is your answer.
Options:
(A) 30 14 7 5
(B) 10 3 100 7
(C) 53600
(D) 450 50 50 5 30
(E) 10 3 + 120 2.
Another student: Let's say, hmmm...
Other parts are equal to 300. Final answer: (E).