A is thrice efficient as B and C is twice as efficient as B. what is the ratio of number of days taken by A,B and C, when they work individually?
A. 2:3:6
B. 3:1:2
C. 2:6:3
D. 1:2:3
Answer:C
A is thrice efficient as B and C is twice as efficient as B. what is the ratio of number of days taken by A,B and C, when they work individually?
A. 2:3:6 B. 3:1:2 C. 2:6:3 D. 1:2:3