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The mean monthly salary of $12$ employees of a firm is Rs. $1450$ . If one more person joins the firm who gets Rs. $1645$ per month, what will be the mean monthly salary of $13$ employees?

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Rs.

1465

Rs.

1954

Rs.

2175

Rs.

2569

answer is A.

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Detailed Solution

It is given the mean salary of

12

employees is Rs.

1450

.
Sum of salary of

12

employees will be

= 12 \times 1450

17400

A new hire receives Rs. 1645 per month when he joins the company.
Hence, the new monthly wage amount

= 17400 + 1645

= 19045

So, the new mean will be,

= \frac{19045}{13}

= 1465

Thus, the average pay for all employees is now Rs.

1465

.
Therefore, the correct option is 1.

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