Average age of A and B is 24 years and average age of B, C and D is 22 years. The sum of the ages of A, B, C and D is  Choose the most appropriate option:	A) 76 years	B) 30 years	C) 77 years	D) 88 years	E) 56 years
Let their ages 10 years ago is x, 2x and 3x years.   10 + 2x + 10 + 3x + 10 = 90 hence x= 10   30 years’s present age = (2x + 10) =30 years   Answer: 30 years
<result>B</result>
Average age of A and B is 24 years and average age of B, C and D is 22 years. The sum of the ages of A, B, C and D is