1. Set-1 and Set-2 are two sets consisting of 10 and 12 elements respectively. Combining all elements from both the sets together, what is the total number of ways the elements can be arranged in a line?

   I. 12 + 10

   II. 12^10

   III. 10^12

   IV. 10!+12!

   V. 22!

   I II III IV V

2. Set-1 and Set-2 are two sets consisting of 10 and 12 elements respectively. What is the number of arrangements of all the elements from S1 and S2 if the elements from Set-1 are to stay together and the elements from Set-2 are to stay together?

   I. 12^10

   II. 10^12

   III. 22!

   IV. 10! * 12!

   V. 2 * 10! * 12!

   VI. None of the above

   I II III IV V VI