Question 11

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Jambmaths question: 

Raila has 7 different posters to be hanged in her bedroom, living room and kitchen. Assuming she has plans to place at least a poster in each of the 3 rooms how many choices does she have?

Option A: 

21

Option B: 

210

Option C: 

170

Option D: 

49

Jamb Maths Solution: 

$^{7}{{P}_{3}}=\frac{7!}{(7-3)!}=\frac{7\times 6\times 5\times 4!}{4!}=210\text{ ways}$

Jamb Maths Topic: 
Year of Exam: 

Comments

It appears like each time I do a math Write my assignment for me or test regardless of how well I figure I do or no make a difference the amount I study and survey I never do extremely well in my classes. I'm An understudy in all my different subjects yet in Math I'm a B+ to C student.