A student read 40 pages per day on average in a 10 days period. How many pages must the student read on the next day to increase the average to 45 pages per day?
Choose the correct choice from the following answers:  A) 10  B) 25  C) 45  D) 55  E) 95
Solution   Average of 11 days = 45 .   âˆ´ Required average= (11x45)-(10x40)   = 495- 400= 
<gadget id="calculator">495- 400</gadget>
<output>95</output>
95.   Answer 95
<result>E</result>
A student read 40 pages per day on average in a 10 days period. How many pages must the student read on the next day to increase the average to 45 pages per day?