If 25a+25b=115, then what is the average of a and b?

Correct Answer is : None of these

NIFT PG 2009 Question Paper with solutions

Question : 147 of 150

Marks: +1, -0

25a+25b=115

, then what is the average of a and b?

Solution:

Here,

25a+25b=115

⇒a+b=115/25

⇒{a+b}/2=23/{5×2}=2.3

Thus, average of a and b = 2.3

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