Question

A boat is to be manned by eight men of whom 2 can only row on bow side and 1 can only row on stroke side,the number of ways in which the crew can be arranged is

Answer 1

Answer:

Step-by-step explanation:

north/south both side

Answer 2

Step-by-step explanation:

$2 \: men \: on \: the \: bow \: side \: can \: be \: choosen \: and$

$arranged \: in \: 4p2 = 12  ways$

$1 \: man \: on \: the \: stroke \: side \: can \: be \: choosen \: and \: arranged \: in  \: 4p1 =4  ways$

$Remaining \: 5 \: men \: can \: be \: arranged \: in \:  5!\:  ways</p><p></p><p></p><p>$

$Number \: of \: arrangements \: of \: the \: crew   \: ways</p><p></p><p>$

$= 12 \times 4 \times 5! = 5760 \: ways$