If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

What is common among 11, 69, and 88?

Can you make a fire with just a single stick?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

How can you make number one disappear by adding something to it?

Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

By moving just one matchstick, you need to make the below statement true. Can you do it?