Which Number is the odd one out?

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

Can you count the number of triangles in the given figure?

O_er_t_o_

Complete the missing letters of the given word.

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

How could a baby fall out of a twenty-story building onto the ground and live?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

You have to fill the below given grid in a manner that every row and column contains the digits 1 to 6. Also, make sure that the squares that are connected with each other must contains the same digit.

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

When it's bad luck to meet a black cat?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?