What is common among 11, 69, and 88?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

What has one eye, but can’t see?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

You see me once in June, twice in November, and not at all in May. What am I?

The more you take me, the more you leave me behind.
Who Am I?

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?