Can you find the odd number in the following?

2716, 4135, 5321 and 7145

Count the number of triangles in the below picture?

There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?

A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

A dying old man wants to divide his entire land between his only two sons. Since his only wish is to treat them as equal as both of them have been too good to him, he wants to divide his land equally between them. The problem is that the land is significantly irregular in shape and thus there is no choice of cutting them into two equal halves.

Can you help him divide the land in a manner that both of his sons will be happy?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

what's the probability of getting a king or a queen from a pack of 52 cards?