Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

No one wants to have it, but if one got it, he does not want to lose it. What is It?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

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?

Can you solve this picture maths equation?

Which English verb becomes past tense just by rearranging the letters?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

Using eight eights and addition only, can you make 1000?

There is a family that live in a round house. The two parents go out for a movie and leave a babysitter to watch their son. They come back and the kid was not there. Some one kidnapped him. The maid said she was cleaning in a corner. The cook said he was making pizza. The babysitter said she was getting a board game. Who kidnapped him.