# A walks 35 km towards the north direction to meet B.They both together then turned right from that point to meet C. C is 10 km away from B. What is the shortest distance between point A and C?

1. 32.40 km
2. 30 km
3. 36.40 km
4. 40 km

Minimum distance = $$\sqrt {{{\left( {35} \right)}^2}\; + \;{{\left( {10} \right)}^2}} = \sqrt {1325}$$ = 36.40 km
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