Which Number is the odd one out?

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

Can you place three balls such that the equation shown in the picture holds true?

Can you count the number of children in the picture below

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

Can it be possible to build a house that has all its four walls facing towards the South?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

Solve this riddle by finding the odd one out from the rest.

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?