How do you go from 98 to 720 using just one letter?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

Can you guess the name of the month by looking the below rebus ?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

John is found dead in a bare field. Nobody killed John,
John did not commit suicide.

Inspector Jacob found a bag just a few meters away from John which could save his life. What was in the bag?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

Look at the picture and find out which square is not linked with any of the other squares.

You are driving down the road in your car on a wild, stormy night, when you pass by a bus stop and you see three people waiting for the bus

An old lady looks as if she is about to die.
An old friend who once saved your life.
The perfect partner you have been dreaming about.
Knowing that there can only be one passenger in your car, whom would you choose?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Using Only Five 5's and any mathematical operator make sum as 37