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UPSC Civil Service Exam Questions - Engineering

Q1:

The description of solid waste collected is as follows :
Night soil - 35 t
Rubbish - 40 t
Debris - 25 t
Garbage - 40 t
The organic solids in the above composition is

A 35 t

B 60 t

C 100 t

D 75 t

ANS:D - 75 t

Garbage + night soil is organic waste so the answer is;
40 + 35 = 75.