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

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

In the image given, you can find several triangles. Can you count them all?

I add 5 to 9 and get 2. The answer is correct, so what am I?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

Three friends named Mr. Black, Mr. Yellow and Mr. Green enter a pub on a weekend night. They are wearing either a Black, Yellow or Green shirt.

Mr. Yellow says to them, 'Did you notice that we all are wearing different color shirts than our names?'

To this, the man who was wearing the Green shirt said. 'Wow, thats right.'

Can you identify who is wearing which colour shirt ?

Find the missing number in the image below.

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?