The average weight of nine persons is 25 kg. If a new person joins this group, then the average weight becomes 26 kg. What is the weight of the new person?

35 kg 28 kg 34 kg 30 kg

35 kg

Sum of weight of 9 persons = 9 × 25 = 225 kg A new person joined them , Now , Sum of weight of 10 person = 10 × 26 = 260 kg Weight of new person = 260 - 225 = 35 kg