Find the hidden tiger in the given optical illusion ?

You can hear me, but you can't touch or see me.

What am I?

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

Can you find out the missing number in the grid?

Who has married many women but was never married?

Find the missing number in the sequence below:

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

One of the leprechaun is missing if you see the two pictures attached to this question. Where did he go? When he comes back, do you know where has he been?