[Prateek Bajpai]

1. Great Wall of China – Located in China.
2. Christ the Redeemer – Located in Rio de Janeiro, Brazil.
3. Machu Picchu – Located in Peru.
4. Petra – Located in Jordan.
5. Chichen Itza – Located in Yucatan, Mexico.
6. Colosseum – Located in Rome, Italy.
7. Taj Mahal – Located in Agra, India.

[Prateek Bajpai]

If the bag contains 45 marbles and 25 of them are red, we can find the number of marbles that are not red by subtracting the number of red marbles from the total number of marbles.

Number of marbles that are not red = Total number of marbles – Number of red marbles = 45 – 25 = 20

Therefore, there are 20 marbles that are not red in the bag