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

Why do you find that most of the buildings are deprived of the 13th floor?

Can you Find and name the hidden bird in the picture below ?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

Sally lives in a place where six months of the year is mild summer and the temperature drops significantly the other six months. She owns a lake where there is a small island. She wants to build a house on the island and needs to get materials there. She doesn’t have a boat, plane, or anything to transport them to the island. How does Sally solve this problem?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

I left my campsite and hiked south for 3 miles. Then I turned east and hiked for 3 miles. I then turned north and hiked for 3 miles, at which time I came upon a bear inside my tent eating my food! What colour was the bear?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?