Question

1. Euphrates, Yangtze, Indus and Ganga are important rivers in South America. 2. There are thousands of lakes in Finland, Norway and Sweden​

Answer 1

Answer:

hi sir this is a good idea for a while

Answer 2

Explanation:

Take indians as 1 entity.

         Americans as 1 entity.

         japenese as 1 entity

So there are 3 entities

While particular entities can be arranged among themselves.

Total number of ways =9!×5!×2!×3!