সব প্রশ্নে ফিরে যান
Math
The ages of A and B are in the ratio 3:1 . Fifteen years hence , the ratio will be 2:1 . Their present ages are :
A) 30 years , 10 years
B) 45 years , 15 years
সঠিক উত্তর
C) 21 years , 7 years
D) 60 years , 20 years