1.

1). 122). 153). 324). None of these

Answer»

Sum of the age of all members = 23 × 4 = 92

Age of the YOUNGEST member = 5

Sum of the ages of all members at the time of birth of youngest member = 92 - (5 × 4) = 72

Average age at the time of birth of youngest member = 72/3 = 24



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