Contractor is engaged for 30days on the condition that he receives Rs.25 for eachday he works &isfined Rs.7.50 for each day is absent. He gets Rs.425 in all. For how many days was heabsent? Select the correct option: A) 5 B) 10 C) 15 D) 16 E) 19
30 * 25= 
<gadget id="calculator">30 * 25</gadget>
<output>750</output>
750   425   -----------   325   25 + 7.50= 
<gadget id="calculator">25 + 7.50</gadget>
<output>32.5</output>
32.5   325/32.5= 
<gadget id="calculator">325/32.5</gadget>
<output>10</output>
10   10
<result>B</result>
Contractor is engaged for 30days on the condition that he receives Rs.25 for eachday he works &isfined Rs.7.50 for each day is absent. He gets Rs.425 in all. For how many days was heabsent?