You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

A man is sitting in a bar when a rich man sits next to him. He turns to the rich man and says, “Did you know I know almost every song that has ever existed?”

The rich man laughs. The man then says, “I bet you all the money you have in your wallet that I can sing a genuine song with a lady’s name of your choice in it. The rich man laughs again and says, “OK, how about my daughter’s name, Jamie Armstrong-Miller?” Minutes later, the man collects his cash and the rich man goes home cashless. What song did the man sing?

Christina makes tasty toast in a small pan. After toasting one side of a slice, she turns it over. Each side takes 30 seconds. The pan can only hold two slices.
How can she toast both sides of three slices in 1 & 1/2 instead of 2 minutes?

Readers with high attention to detail can identify the vampire in the picture. Can you?

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

An ant is travelling on a 1-meter-long rope at 1 cm/second but also the entire rope is being stretched by an extra 1 meter/second. Is it possible for the ant to reach at the end of the rope?

What makes this number unique: 8,549,176,320?

Find the next number in the following series:
6, 14, 26, 98, __?

Which tank will fill first?

Sharpest vision can find the lamp in the desert. Are you one of them? Test your observation skills now!