a) 19 years
b) 23 years
c) 28.5 years
d) 29.3 years
Answer: a
Explanation: Sum of the present ages of husband, wife and child
= (23 × 2 + 5 × 2) + 1
= 57 years
Required average = $$\left( {\frac{{57}}{3}} \right)$$
= 19 years
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