সব প্রশ্নে ফিরে যান
Math
The average age of 4 brothers is 6 years. If the age of their father is included, the average is increased by 5 years. Find the age of the father.
A) 24 years
B) 31 years
সঠিক উত্তর
C) 35 years
D) 38 years