70 students are enrolled in Management, Accounting and Marketing. 40 students are in Management, 35 are in Accounting, and 30 are in Marketing. 15 students are enrolled in all three courses. How many of the students are enrolled in exactly two of the courses?

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Satt Academy · Accepted Answer

5 - শুধু Accounting - এর ছাত্র (40      –       15)  =  25 জন। 
শুধু Management , , (35  -  15)  = 20 ,, 
Marketing (30      –      15)  = 15 ,,
তিনটি কোর্সই রয়েছে 15 জন ছাত্র 
Accounting, Manag...

70 students are enrolled in Management, Accounting and Marketing. 40 students are in Management, 35 are in Accounting, and 30 are in Marketing. 15 students are enrolled in all three courses. How many of the students are enrolled in exactly two of the courses?

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