

MCQOPTIONS
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1. |
A can do a piece of work in 18 days, B in 20 days and C in 30 days. B and C started work together but had to leave after 4 days. In how many days can A complete the work? |
A. | 12 |
B. | 6 |
C. | 16 |
D. | 8 |
Answer» B. 6 | |