Five years ago, the average age of six members of a family was 35 years. Now a person is included in the family. So the sum of ages of all the family members become 9 times the age of the person. The age of the person is equal to
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Total = averageXmembers =35 x 6 = 210
Average = 210/7 = 30
9 x 30 = 270°
The age of person =60
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