In a joint family, there are 24 members whose age is decreased by 4 months, when one girl aged 24 years is replaced by a new boy. Find the age of the new boy ?

Question

নিচের অপশন গুলা দেখুন

• 15 years
• 18 years
• 12 years
• 16 years

Answer 1

সঠিক উত্তর হচ্ছে: 16 years

ব্যাখ্যা: Age of new boy = (Age of moved girl) – (Number of family members × Decreased in average)
= 24 – 24×4/12
= 24 – 8
= 16 years.