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  1. If 47a + 47b = 5452, what is the average of a and b ?
    1. 116
    2. 23.5
    3. 96
    4. 58
    5. None of the above
Correct Option: D

47(a + b) = 5452
⇒ a + b = 5452/47 = 116
∴ Average value = (a + b)/2
= 116/2
= 58


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