The tatal age of A,B and C is 90 years . Ten years age the ratio of their ages was 1:2:3. What is present age of B?
A. 40 years
B. 30 years
C. 20 years
D. 18 years
Answer:B
The tatal age of A,B and C is 90 years . Ten years age the ratio of their ages was 1:2:3. What is present age of B?
A. 40 years B. 30 years C. 20 years D. 18 years