Environmental Engineering
The population of a town in three consecutive years are 5000, 7000 and 8400 respectively. The population of the town in the fourth consecutive year according to geometrical increase method is

9500
10100
10920
9800

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Environmental Engineering
Double filtration is used

All of these
For isolated buildings like pools, hotels etc swimming
To increase the filtration rapid sand filters capacity of
To increase the filtration slow sand filters capacity of

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