One day Jenifer meets the Lion and the Tiger in the Forest of Forgetfulness. She knows that the Lion lies on Mondays, Tuesdays, and Wednesdays, and tells the truth on the other days of the week. The Tiger, on the other hand, lies on Thursdays, Fridays, and Saturdays, but tells the truth on the other days of the week. Now they make the following statements to Jenifer:

Lion: Yesterday was one of my lying days.

Tiger: Yesterday was one of my lying days too.

What day is it?

why number 8549176320 is one of a kind?

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

Which is the smallest number that you can write using all the vowels exactly once?

What is the relationship between these matchstick pictures below?

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

Why blonde cannot dial 911?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

Be active and find the killer in the picture Riddle below.

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?