Can you find the dog hidden in a group of pandas?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

I left my campsite and hiked south for 3 miles. Then I turned east and hiked for 3 miles. I then turned north and hiked for 3 miles, at which time I came upon a bear inside my tent eating my food! What colour was the bear?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different. How do you measure 45 minutes?

Can you place six X (crosses) in below board without making three in a row in any way ?

How many words can a pen with half refill write?

What has 88 keys?