6. In a class of 40 students, 18 passed Mathematics, 19 passed Accounts, 16 passed...

6. In a class of 40 students, 18 passed Mathematics, 19 passed Accounts, 16 passed Economics, 5 passed Mathematics and Accounts only, 6 passed Mathematics only, 9 passed Accounts only, 2 Accounts and Economics only. If each student offered at least one of the subjects,
(a) How many students failed in all the subjects?
(b) Find the percentage number who failed in at least one of Economics and Mathematics.
(c) Calculate the probability that a student selected at random failed in Accounts.?

In Mathematics
3 Answers Available
Asked by Godwin on 11th August, 2020