According to IS, the specific gravity of a good building stone used in

1.	According to IS, the specific gravity of a good building stone used in heavy dams should be _____?
A.	2.2 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 2.4
B.	2.3 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 2.5
C.	2.4 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 2.8
D.	2.6 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 3
Answer» D. 2.6 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 3

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