Bag A contains red, white and blue marbles such that the red to white marble ratio is 1:3 and the white to blue marble ratio is 2:3. Bag B contains red and white marbles in the ratio of 1:4. Together, the two bags contain 30 white marbles. How many red marbles could be in bag A?
GMATBootcamp
Starts Sep 21

LIVE ONLINE BOOTCAMP
Live Online Bootcamp Class with Top GMAT Expert Chris Peckover
Sep 21 to Oct 9, 2026
- Schedule
- Mon to Fri · 7:00 to 10:00 PM ET
- Included
- Live classes + 6 months of TTP OnDemand
- Boost your GMAT score in less than one month in a live online class
- 6 months access to TTP OnDemand video courses included

















