John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

Can you find out the remainder when 3^300 is divided by 5?

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?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

How many times can you subtract the number two from the number fifty?

Solve the following series:
AZ, GT, MN, __, YB

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

What's the best place to go shopping in the ocean?

How many triangles can you find in this given picture?