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mlane25269
- Master | Next Rank: 500 Posts
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Consider Choice A
Since Ratio is 3:2
suppose 1 is constant
Hence average is 3*5+2*2 /5 = 15/5 = 3.8
This will remain constant irrespective of the number of tickets sold since it is ratio
Hence A is sufficient
This leads us to choice A and D
Now consider 2
It is insufficient since it only tells us number of Adult tickects
Hence Insufficient.
Hence A .
