Question
K is as much younger than M as he is older than O. If
the sum of the ages of M and O is 100 years, what is definitely the difference between M and Kās age?Solution
The difference of age between M and K = The difference of age between K and O. Sum of age of M and 0 = 100 years (M ā K) = (K ā O) M + O = 2 K Now, given that M + O = 100 Therefore, 100 = 2K K = 50 years Now, M ā K =? Here, we know the value (age) of K is 50, but we do not know the age of M. ā“ (M ā K) cannot be determined.
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