Can you solve the below tricky visual equation?

What has many teeth, but cannot bite?

Who has married many women but was never married?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

What has no start, end, or centre?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

Can you move 2 matchsticks to form four equal sized squares.

A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?