Answers

2014-11-29T22:43:42+05:30
THERE are 780 languages but 250 are lost in last 50 yrs
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2014-11-30T07:11:47+05:30
122 are official languages and 780 are unofficial
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122 are official languages and 780 are unofficial
122 are official and 780 are unofficial but among the 780,220 are lost in past 50 years