A can finish a piece of work in 18 days and B can do the same work in half the time taken by A. Then working together. What part of the same work they an finish in a day?5
1114 5cf0f058c97a225730e3b24b
Q: A can finish a piece of work in 18 days and B can do the same work in half the time taken by A. Then working together. What part of the same work they an finish in a day?
- 1$${1\over 6}$$true
- 2$${2\over 5}$$false
- 3$${1\over 9}$$false
- 4$${2\over 7}$$false
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