In what time will a cart 50 m long cross, if its speed be 36 km/hr?\nOptions:\n(A) 25\n(B) 5\n(C) 15\n(D) 20\n(E) 30 Stream of consciousness:
User
Speed = 36 * 5/18 = 10 m/sec\nTime taken = 50/10 = 5 sec.
Thus, the answer is (B).
Assistant