Which wheel of car does not rotate when you turn your car right?

Do you know who was buried in John's tomb?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Take away the whole and some still remain. What is it?

How many triangles can you count in the figure given?

Can you find a five letter word that is left with only two letters if one is removed?

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

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?

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?