book Maths Puzzle Numerical Ability

Could someone out there help me solve this problem?

Add:
3 h 20 min
4 h 25 min
+ 5 h 35 min

Thanks,
Sher

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book Other Question

Find four consecutive integers such that twice the sum of the two greater integers exceeds three times the first by 91. Please help me with this problem:
Two cyclists start biking from a trail�s start 3 hours apart. The second cyclist travels at 10 miles per hour and starts 3 hours after the first