Ques:- The time taken by a train 180 m long, travelling at 42 kmph, in pasing a person walking in the same direction at 6 kmph, will be
A. 16 sec
B. 18 sec
C. 21 sec
D. 24 sec
Ques:- How should a profit of Rs.450 be divided between two partners, one of whom has contributed Rs.1200 for 5 months and the other Rs.750 for 4 months?
A. 1 : 1
B. 1 : 2
C. 1 : 3
D. 2 : 1