Question

87. If 47 a + 47 b = 5452, what is the average of a and b?
(1) 116
(2) 23.5
(3) 96
(4) 58
(5) None of these​

Answer 1

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47 a + 47 b = 5452

47 (a + b) = 5452

a + b =116

Average of a and b :

$\frac{116}{2} = 58$

Correct option : 4

Answer 2

Step-by-step explanation:

47a+47b=5452

47(a+b)

a+b=5452/47=116

Average of a and b

116/2=58

so 4th option is correct