Anil and Suresh are working on a special assignment. Anil needs 6 hours to type 32 pages on a computer and Suresh needs 5 hours to type 40 pages. If both of them work together on two different computers, how much time is needed to type an assignment of 150 pages? Choose the correct choice from the following answers.
A) 11 hours 15 mins  B) 8 hours  C) 9 hours  D) 7 hours  E) 6 hours
Pages typed by 11 hours 15 minsnil in 1 hour = 32/6 = 16/3   Pages typed by Suresh in 1 hour = 40/5= 
<gadget id="calculator">40/5</gadget>
<output>8</output>
8   Pages typed by 11 hours 15 minsnil and Suresh in 1 hour= 16/3 + 8 = 40/3   Time taken to type 150 pages when 11 hours 15 minsnil and Suresh work together = 150 × 3 /40 = 45/4   = 11 ¼ hours = 11 hour 15 minutes   11 hours 15 minsnswer is 11 hours 15 mins.
<result>A</result>
Anil and Suresh are working on a special assignment. Anil needs 6 hours to type 32 pages on a computer and Suresh needs 5 hours to type 40 pages. If both of them work together on two different computers, how much time is needed to type an assignment of 150 pages?