What does this below rebus puzzle mean?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

How many Watermelons are there in the below picture?

Find the missing number in the sequence below:

What makes this number unique: 8,549,176,320?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Why did Navjot Singh Sidhu put the new January calendar in the freezer

There is a circular car race track of 10km. There are two cars, Car A and Car B. And they are at the exact opposite end to each other. At Time T(0), Both cars move toward each other at a constant speed of 100 m/seconds. As we know both cars are at the same speed they will always be the exact opposite to each other.
Note, at the center, there is a bug which starts flying towards Car A at time T(0). When the bug reaches car B, it turns back and starts moving towards the car A. The speed of bug is 1m/second. After 5 hours all three stop moving.
What is the total distance covered by the bug?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?