81 x 9 = 801. What must you do to make the this equation true?

Guess the hidden movie name?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

Can You Find The Poor LOST PUPPY Hidden In The Park in 20 Seconds?

Optical Illusion: A cat is hiding in plain sight in the backyard. Only the most observant eyes can spot the cat in 7 seconds. Can you? Test your eye power now!

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

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?

Identify the next two numbers in this series.

101, 112, 131, 415, 161, 718, ???, ???