The average salary of a person for the months of January, February, March and April is Rs.8000 and that for the months February, March, April and May is Rs.8500. If his salary for the month of May is Rs.6500, find his salary for the month of January?
Options.
A) 2177	B) 2876	C) 4500	D) 2981	E) 2711
Sum of the salaries of the person for the months of January, February, March and April = 4 * 8000= 
<gadget id="calculator">4 * 8000</gadget>
<output>32_000</output>
32000 ----(1)   Sum of the salaries of the person for the months of February, March, April and May= 4 * 8500= 
<gadget id="calculator">4 * 8500</gadget>
<output>34_000</output>
34000 ----(2)   (2)-(1) i.e. May - Jan= 2000   Salary of May is Rs.6500   Salary of January = Rs.4500.Answer: 4500
<result>C</result>
The average salary of a person for the months of January, February, March and April is Rs.8000 and that for the months February, March, April and May is Rs.8500. If his salary for the month of May is Rs.6500, find his salary for the month of January?