Question 55
The average monthly salary of 19 members of a group is Rs. 16000. If one more members whose monthly salary is Rs. 20000 has joined the group, then the average salary of the group is
Solution
Average monthly salary of 19 members of a group = Rs. 16,000
=> Total monthly salary of 19 members = $$16,000 \times 19=Rs.$$ $$304,000$$
Salary of new member = Rs. 20,000
=> Total salary of 20 members = 304,000 + 20,000 = Rs. 324,000
$$\therefore$$ Average salary of the group = $$\frac{324,000}{20}=Rs.$$ $$16,200$$
=> Ans - (B)
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