How is the moon similar to a dollar?

Decode below rebus
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An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

Count the number of lines in the image below ?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

In the picture given below, can you find out which digit will take place of the question mark?

A man is sitting in a bar when a rich man sits next to him. He turns to the rich man and says, “Did you know I know almost every song that has ever existed?”

The rich man laughs. The man then says, “I bet you all the money you have in your wallet that I can sing a genuine song with a lady’s name of your choice in it. The rich man laughs again and says, “OK, how about my daughter’s name, Jamie Armstrong-Miller?” Minutes later, the man collects his cash and the rich man goes home cashless. What song did the man sing?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

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

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?