Cristina was born in 1888. She just had her 30th birthday today how did that happen?

Find the next number in the series below

21 32 54 87 131 ?

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

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

Five thieves looted a bank and they ran away in a car. The bank staff informed the police and they began the search of their car in their jeep. They found them on a road and chased them eventually catching them. The light that is used to fill the number plate was broken on the thieves' car. Also, the headlights of the jeep police were not working. How were the police able to catch the thieves then?

Two fathers and two sons decided to go to a shop and buy some sweets upon reaching. Each of them bought 1 kg of sweet. All of them returned home after some time and found out that they had 3kg of sweets with them.

They did not eat the sweets in the way, nor threw or lose anything. Then, how can this be possible?

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

Can you count the number of triangles in the picture below?

A man is approaching a broad and barren land. He has a package with him. If somehow, he is unable to open the package before reaching the land, he will die.

Can you guess what is present in the package?

How can you make number one disappear by adding something to it?