Question
The ratio of the present ages of P to Q is 4:3
respectively. If the age of P two years ago is same as the age of Q three years hence, then find the present age of P.Solution
ATQ,
Let the age of P and Q be ‘4x’ and ‘3x’ years respectively.
According to question,
4x – 2 = 3x + 3
x = 5
So, the present age of P = 4x = 20 years
Unit less measure of dispersion is
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