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52 pp (b) 27 years (c) 28 years (d) 30 y...

52 pp (b) 27 years (c) 28 years (d) 30 years The average age of a class of mosques is 40 years. 12 new students with an average age of 32 years in this class Become diluted. This reduces the average age of the entire class by 4 years. How many in the class in the beginning Was Parthi?

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