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.## Management Sciences

A. 7 hour 15 minutes

B. 7 hour 30 minutes

**C. 8 hour 15 minutes**

D. 8 hour 30 minutes

Pages typed by Mansoor-Ul-Haque in 1 hour = 32/6 = 16/3

Pages typed by Aaqib in 1 hour = 40/5 = 8

Pages typed by Mansoor-Ul-Haque and Aaqib in 1 hour = 16/3 + 8 = 40/3

Time taken to type 110 pages when Mansoor-Ul-Haque and Aaqib work together = 110 × 3 /40 = 33/4

= 8 ¼ hours = 8 hour 15 minutes

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