At Narmada Sarovar bachao (NSB) demonstration, supporters of Ms Patkar outnumbered the police by 9 : 1. The police arrested 135 NSB supporters averaging 5 for every 3 policemen. How many supporters of NSB were there in the demonstration?
The number of police involved in the security operation
= 3/5×135
=3×27
= 81
Thus, the required number of supporters = 81×981×9
= 729
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