मात्रको की अन्तर्राराष्ट्रीय पद्धति को किस वर्ष से माना गया ?
(a) 1960
(b)1956
(c) 1963
(d)1950
Answers
Answered by
1
matarko ki antarrastria padati ko 1963 vers se mana gaya ha.
Answered by
0
option a is the correct answer
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