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Students receive a BA degree only after passing all their tests and submitting all their papers. Out of 300 students, 250 passaged all their tests and 215 submitted all their papers. How many students received a BA degree?

 

a) at least 215

b) no more than 185

c) exactly 215

d) at least 165

 

Is this a principle of inclusion-exclusion problem?

 Sep 29, 2019
 #1
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D) At least 165

 

This problem is. To solve these types, I did:
 

250 + 215 = 465

 

465 - 300 = 165

 

So the answer should be D

 Sep 29, 2019

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