1.

In the year 1980, the age, in years, of a person wasone-eightyninth of his year of birth. What was theage (in years) of the person in 2012?

Answer»

Let year of birth is xThen in year 1980 age of person = (1/89)x

It means year of birth should be divisible by 89 and year of birth first two digits are 19

Then,Year of birth = 1958Age of person in year 1980 = (1/89)*1958 = 22

Age of person in year 2012= 44 yrs



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