What is common among 11, 69, and 88?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

What brings you down but never up?

John asked Jack, "The time right now is 7 pm. Can you tell me what will be the time 23, 999, 995 hours later ?"

While Bella does not know the answer, do you ?

In the four images below, can you find the odd one out?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

10+10 and 11+11 can give you the same answer.

Explain how?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

Before Mount Everest was discovered, what was the highest mountain in the world?

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