Question 4
The average salary of a group of 27 is Rs. 3,700. If the salary of one more person is added, the average is increased to Rs.3750. What is the salary of the new person ?
Solution
Average salary of 27 people = Rs. 3700
=> Total salary of 27 people = $$3700\times27=Rs.$$ $$99,900$$
Let the salary of new person = Rs. $$x$$
According to ques,
=> $$\frac{99,900+x}{28}=3750$$
=> $$99,900+x=3750\times28$$
=> $$x=1,05,000-99,900=5100$$
$$\therefore$$ Salary of the new person = Rs. 5100
=> Ans - (C)
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