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Question

# In an office 20 clerks get a salary of Rs. 2500 each and 10 officers get a salary of Rs. 4000 each. The average salary of the employees in the office is:

A
Rs.2800
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B
Rs.3000
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C
Rs.3200
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D
Rs.3600
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Solution

## The correct option is B Rs.3000We know, average is the sum of the data values divided by the total number of data values.Given that, one clerk get a salary of 2500 rupees. Therefore, 20 clerks get a salary of 20×2500=50000 rupees.Also, one officer get a salary of 4000 rupees. Therefore, 10 officers get a salary of 10×4000=40000 rupees.Therefore, average salary =50000+4000020+10=9000030=3000 rupees.Hence, option B is correct.

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