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A problem in the nature of calculation put forward by Indian mathematician Sri Hara
Chinese rose flower ratio:1/3-1/5 = 5/15-3/15 = 2/15.

2/ 15*3=2/5

The proportion of remaining bees is 2/5+ 1/5=9/ 15.

1-9/ 15-5/ 15= 1/ 15

Total number of bees:1(115) =15 (only)