Answer:
What is red, orange, yellow, green, blue, indigo, violet, red, orange, yellow, green, blue, indigo, violet, red, orange, yellow, green, blue, indigo, violet?
How can people without noses smell?
It's held in the hand when going out.
Which tree is the most difficult to get along with?
I have one, you have one. If you remove the first letter, a bit remains. If you remove the second, bit still remains. If you remove the third, it still remains.
People take me on walks and I run and have fun. What am I?