You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

Why is the Hole below a Lock?

Prove that twice of ten is the same as twice of eleven.

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

A girl rode into a tourist spot out of the city on Thursday. She loved the place and decided to stay for a few days. She stayed for four days and then she left for back home on Thursday.

How can this be possible?

There are three boxes of different sizes with three cupcakes inside each of the boxes in Christina's kitchen. At night her daughter wakes up and goes to the kitchen. She opens a box and eats all three cakes.

But in the morning Christina finds out that each box still had three cupcakes. How?

Solve the equation in the image by looking at the pattern closely.