Question
Oliver and Peter take 3 days to assemble a toy car. Peter and Vaidev take 6 days to build the same car while Oliver and Vaidev take only 5 days. How many complete days would the three of them take to build the same toy car?
4 m

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Oliver and Peter take 3 days to assemble a toy car. Peter and Vaidev take 6 days to build the same car while Oliver and Vaidev take only 5 days. How many complete days would the three of them take to build the same toy car?