You can see three almost identical images below. Can you spot the odd one out from them?

What is black when you buy it, red when you use it, and gray when you throw it away?

Rearrange the letters in "new door" to make one word.

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

What does this simple rebus mean?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

What is the word or phrase below?
R | E | A | D

The peacock is a bird that does not lay eggs. How do they get baby peacocks?