Question 30

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Jambmaths question: 

In how many ways can 6 coloured chalks be arranged, if 2 are of the same colour

Option A: 

120

Option B: 

240

Option C: 

360

Option D: 

60

Jamb Maths Solution: 

$\text{Possible arrangement }=\frac{6!}{2!}=\frac{6\times 5\times 4\times 3\times 2!}{2!}=360$

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