In how many ways can 5 different colours balls be arranged in row?
Answer & explanation
Correct answer: option 2
5 different colours balls can be arranged in row = 5! ways
= 5 × 4 × 3 × 2 ×1
= 120
In how many ways can 5 different colours balls be arranged in row?
Correct answer: option 2
5 different colours balls can be arranged in row = 5! ways
= 5 × 4 × 3 × 2 ×1
= 120