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?

Why is a river so rich ?

Find the Odd One Out?
84129
32418
47632
36119
67626
72927

How far can you walk into the woods?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?

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

Can you count the number of lines in the below picture?

What's the only room from which no one can enter or leave

using four eights (8) and a one (1) and one mathematical symbol , create the number 100