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

What is the next shape from answers A, B, C, and D figure?

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?

There is a basket full of hats. Three are white and two are black. Three men, Tom, Tim, and Jim, each take a hat out of the basket and put it on their heads without seeing the hat they selected or the hats the other men selected. The men arrange themselves so Tom can see Tim and Jim’s hats, Tim can see Jim’s hat, and Jim can’t see anyone’s hat. Tom is asked what color his hat is and he says he doesn’t know. Tim is asked the same question, and he also doesn’t know. Finally, Jim is asked the question, and he does know. What colour is his hat?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

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

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?