John was piloting a plane behind a car but was never able to overtake it. Why?

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

A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

Which is Odd One Out and why?

4377

3954

9862

8454

9831