**When the going gets tough, the tough get going.**

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**When the going gets tough, the tough get going.**

**Whatever you can do, or dream you can do, begin it. Boldness has genius, power, and magic in it. Begin it now**

POST FREELY.ALL THE BEST.

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A labourer is paid Rs. 8 per hour for an 8 hour day and 1.5 times that rate for each hour in excess of 8 hours in a single day. If the labourer received Rs. 80 for a single day's work, how long did he work on that day? (a) 6 hrs 40 min (b) 9 hrs 20 min (c) 9 hrs 30 min (d) 9 hrs 40 min (e) 10 hrs

Q.X and y are natural numbers such tgat they satisfy the equation x + y = 3xy. Find the maximum possible integral power of 6 in (xy)!. In solution it has been mentioned that 11 and 1 will be the last trial and error pair and has asked us to guess the reasone why. I could not figure it out could any one please explain it to me.