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The average weight of 8 persons increases by 2.5 kg when a new person comes in place if one of them weighing 65 kg. What is the weight of the new person?

A75kg

B85kg

C68kg

D92kg

Answer:

B. 85kg

Read Explanation:

65 +2.5 x 8 = 65 + 20 = 85


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