B was born when A was 4 years 7 months old and C was born when B was 3 years 4 months old. When C was 5 years 2 months old, then their average age was :

Question

নিচের অপশন গুলা দেখুন

• 8 years 7 months
• 7 years 3 months
• 8 years 9 months
• 8 years 11 months