If sam can do a job in 4 days that lisa can do in 6 days and Tom can do in 2 days , how long would the job take if sam , lisa and Tom worked together to complete it?

Question

If sam can do a job in 4 days that lisa can do in 6 days and Tom can do in 2 days , how long would the job take if sam , lisa and Tom worked together to complete  it?

Accepted Answer

সঠিক উত্তর: 1.09 days। ব্যাখ্যা: