A) 22, 18, 20
B) 20, 16, 22
C) 26, 20, 22
D) 28, 16, 22
Correct Answer: A
Solution :
Let the ages of P, Q and R are a, b, c \[\Rightarrow \] \[a+b=40,\,b+c=38\] and \[c+a=42\] \[\Rightarrow \] \[a+b+c=\frac{40+38+42}{2}=60\] \[\Rightarrow \] \[a=22,\,b=18\] and \[c=20\]You need to login to perform this action.
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