| Q.19 | A box contains only blue marbles and red marbles in the ratio 5 : 8. If 5 blue marble are taken out and 8 red marbles are added to the box, then the ratio of blue marbles to red marbles becomes 1 : 2. If 5 blue marbles and 3 red marbles are added to the original collection of marbles in the box, then what will be the ratio of blue marbles to red marbles? | |
| Ans | 1. 3 : 5 | |
| 2. 4 : 7 | ||
| 3. 2 : 3 | ||
| 4. 1 : 2 |
Correct Ans Provided: 3