5 year old child with watery diarrhea for 7 days, on examination, weight = 10 kg, hanging skin folds with normal skin pinch, Sodium in ORS should be -: (A) 45 meq/Lit, (B) 60 meq/Lit, (C) 75 meq/Lit, (D) 90 meq/Lit
Answer is C. Ans. is 'c' i.e., 75 meq/Lit