Question

What is the length of a running train?I. The train crosses a man in 9 seconds. Ii. The train crosses a 240 metre long platform in 24 seconds. 2 points
a. I alone sufficient while ii alone not sufficient to answer
b. Ii alone sufficient while i alone not sufficient to answer
c. Either i or ii alone sufficient to answer
d. Both i and ii are not sufficient to answer
e. Both i and ii are necessary to answer?

Answer 1

Answer:

b. Ii alone sufficient while i alone not sufficient to answer