In a family of 4 members, their average age is 31 years. If the average age of two male members is 32 years, then what will be the average age of two female members after 4 years?

Sure, let's solve this step by step:

Step 1: Calculate the total age of all family members. The average age of 4 members is 31 years. So, the total age of all members is 31 years * 4 = 124 years.

Step 2: Calculate the total age of the male members. The average age of the 2 male members is 32 years. So, the total age of the male members is 32 years * 2 = 64 years.

Step 3: Calculate the total age of the female members. The total age of the female members is the total age of all members minus the total age of the male members. So, the total age of the female members is 124 years - 64 years = 60 years.

Step 4: Calculate the average age of the female members after 4 years. After 4 years, each female member will be 4 years older. So, the total age of the female members will be 60 years + 4 years * 2 = 68 years. The average age of the female members will be 68 years / 2 = 34 years.

So, the average age of the two female members after 4 years will be 34 years.