1.

A epidemic broke out in a village in which 5% of the population died. Of the remaining, 20% fled out of panic. If the present population is 4655, then the population of the village originally was1. 62252. 67853. 61254. 6025

Answer» Correct Answer - Option 3 : 6125
Net% effect = [– x – y + xy]%
100
 
=  [– 5 –20 + 5 × 20] =  – 25 + 1 = – 24%
100

∴    Current population = 100 – 24 = 76%

With ratio & proportion rule,

76% : 4655 :: 100% : ?
 
   ? = 4655 × 100 = 245 × 25 = 6125.
76
 


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