self Maths Puzzle

find the HCf of 1123333 and 22555338=?

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self Other Question

What is the length of a running train crossing another 180 metre long train running in the opposite direction?

I.

The relative speed of the two trains was 150 kmph.

II.

The trains took 9 seconds to cross each other.

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 find the LCm of 2111111233336666677789999999999 and 22222277777111111199999999995555550000000