Mr. Boone can do job in 10 days. A helper joins him after three days and together they work for 4 days to complete the task. How long would it take the helper to do the job alone?
Refer to the explanation video.
1297 MCQ for effective preparation of the test of Work Problems of Word Problems section.
Read the MCQ statement: Mr. Boone can do job in 10 days. A helper joins him after three days and together they work for 4 days to complete the task. How long would it take th .... ? , keenly and apply the method you have learn through the video lessons for Work Problems to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 314-13081.