A library has an average of 510 visitors on Sundays and 240 on other day. The average number of visitors in a month of 10 days starting with sunday is
Choose the correct option:
A) 280
B) 285
C) 290
D) 855
E) 275
Explanation:   As the month begin with sunday, so there will be five sundays in the month. So result will be:   =(510×5+240×25/10)=(8550/10)= 
<gadget id="calculator">(8550/10)</gadget>
<output>855</output>
855   Answer: Option 855
<result>D</result>
A library has an average of 510 visitors on Sundays and 240 on other day. The average number of visitors in a month of 10 days starting with sunday is