Ten years ago A was half of B age. If the ratio of their present ages is 3:4, What will be the total of their present ages?
A. 8 years
B. 20 years
C. 30 years
D. 35 years
Answer:D
Ten years ago A was half of B age. If the ratio of their present ages is 3:4, What will be the total of their present ages?
A. 8 years B. 20 years C. 30 years D. 35 years