1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

# A boat crew consisting of 8 men, 3 of whom can only row on one side and 2 only on the other. The number of ways in which the crew can be arranged is

A
1728
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
1927
No worries! Weâ€˜ve got your back. Try BYJUâ€˜S free classes today!
C
1518
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
2028
No worries! Weâ€˜ve got your back. Try BYJUâ€˜S free classes today!
Open in App
Solution

## The correct options are B 1728 C 15184 men must row each sideBut on one side, there are already three men and on the other side two.So one must be placed on the side of three men and two on the other side.This can be done in 3C1 or 3 ways.Again 4 men on each side can be arranged among themselves in 4! waysHence, the required number of ways =3C1×4!×4!=3×24×24=1728

Suggest Corrections
0
Join BYJU'S Learning Program
Related Videos
Permutations
MATHEMATICS
Watch in App
Join BYJU'S Learning Program