In eco 103 class. 18 students has account in bank A, 25 in bank B, 23 in bank C, 9 has in A and B, 10 has in B and C and 6 has in A and C.
If there were 50 students altogether and 5 students did not have account in any of the three banks. How many students have account in;
1. All three banks
2. Only in B
3. C bank but not in B bank and
4. A and C banks but not in B bank?
In Usman Dan Fodio University
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Asked by Ashy on 12th December, 2021
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