I make two people out of one. What am I?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

An explorer goes on an exposition in the jungle. He sets up camp in the middle of the jungle. The next morning he sees something with a head and a tail, but he is not afraid. What did he see in his bag?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?