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Only 32 per cent of surface water can be used. What is the usable amount?
AAbout 1,869 cubic km
BAbout 4,000 cubic km
CAbout 100 cubic km
DAbout 690 cubic km
Answer & Solution
Correct answer: D. About 690 cubic km
1. Total river flow is 1,869 cubic km.
2. Topography limits use to about 690 cubic km.
3. That is 32 per cent.
_Source: NCERT Class 12 Geography, India People and Economy, Chapter 6, Water Resources._
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