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Sunday, June 28, 2020

The average weight of M,N and O is equal to 65 kg. The average weight of M and N is equal to 69.5 kg. The average weight of N and O is 66.5 kg. What is the weight of N ?

The average weight of M,N and O is equal to 65 kg. The average weight of M and N is equal to 69.5 kg. The average weight of N and O is 66.5 kg. What is the weight of N ?
A74 kg
B75 kg
C77 kg
D80 kg

Correct answer is: 77 kg

Explanation:

Akilesh Kharvi
answered Jun 28 '2020 at 22:3

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