Two ants A and B are moving randomly on a path. Both started at C and managed to reach the
destination point D after an hour along the paths shown in the figure. Find the
average speed of both ants.
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Answer:
C is the answer
Explanation:
When A and B meet, A has covered 60%, so B has covered 40%, and their speeds are in ratio A:B=60:40=3:2..
Next A completes the remaining 40% in 1012-1000=12 minutes, while B has to cover 60% of the route..
B would cover 40% route in 3/2 more time => 12*3/2=18..
So B would cover 60% in 18*60/40=27.
Hence B reaches 27 minutes after the ants meet at 1000, so at 1000+27=1027
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