A is twice as quick as B. If B can accomplish a task in 12 days on his alone, the number of days it will take A and B to complete the task jointly is:
A. 4 days
B. 6 days
C. 8 days
D. 18 days
Answer:A
A is twice as quick as B. If B can accomplish a task in 12 days on his alone, the number of days it will take A and B to complete the task jointly is:
A. 4 days B. 6 days C. 8 days D. 18 days