From a group of 15 casting directors of a Bollywood film, four directors aged 18 years, 19 years, 17 years and 15 years were removed and replaced by four new directors, the average age of the group increased by 4 months it occurs. Find the average age of the newly joined directors?

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Check the correct answer for question From a group of 15 casting directors of a Bollywood film, four directors aged 18 years, 19 years, 17 years and 15 years were removed and replaced by four new directors, the average age of the group increased by 4 months it occurs. Find the average age of the newly joined directors?. This question belongs to Quantitative Aptitude, Average subject. For more MCQs on these important subjects and level up exam preparation, click the topic name and start free mock test now.