Q: If 19a + 19b + 19c = 437, then what is the mean of a, b and c?
(a)6·33
(b)7·66
(c)9·33
(d)11·55
Correct Answer: (b)
The correct answer is (d): 11·55. Subject: Quantitative Aptitude & Data Interpretation | Sub-topic: Statistics & Probability
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