Bay of Bengal is in which state?

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

To attend world science seminar, A famous chemist from Mexico visit
London. In the lab, the scientist was killed and his six assistants were under suspicion of killing the chemist.
Name of six assistants: Austin, Wayne, Dege, Oscaru, Lingard, and Rojo.
He left a note "76-20-44 79-16-22-7"

A local detective Jack was called to solve the case,

After reading the note, Jack instantly asked the police to arrest the murderers.

Who are the murderers?

What part of Turkey has the most feathers?

Six people park their car in an underground parking of a store. The store has six floors in all. Each one of them goes to a different floor. Simon stays in the lift for the longest. Sia gets out before Peter but after Tracy. The first one to get out is Harold. Debra leaves after Tracy who gets out on the third floor.

Can you find out who leaves the lift on which floor?

Make a sentence consisting of three words that have the whole alphabet.

What do the following words have in common?

Assess
Banana
Dresser
Grammar
Potato
Revive
Uneven
Voodoo

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

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

There is a place where if I stand up straight, I will still be considered sideways.