Total of the ages of A, B and C at present is 90 years. Ten years ago, the ratio of their ages was 1: 2: 3. What is the age of B at present
Answers:	A) 20	B) 25	C) 15	D) 27	E) 30
10 yrs ago is x,2x and 3x   10+2x+10+3x+10=90 hence x =10   B's present age = 2x+10 = 30 yrs   ANSW30R 30
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Total of the ages of A, B and C at present is 90 years. Ten years ago, the ratio of their ages was 1: 2: 3. What is the age of B at present