Bay of Bengal is in which state?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

What number should come in place of the question mark below?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

Count the number of triangles in the picture below:

Identify the 10 differences between the two given pictures.

Spot what is wrong here in below Picture?

On 26-01-2022, Juli was murdered at her house in a city in India in the afternoon. There were three suspects in the murder and the following are the statements that were given by them:

John: I visited my village that day.
Jacob: I was out to deposit my house tax in the municipality office at that time.
Jonny: I was at a friend's place having lunch at that time.

Can you find out who is the murderer?