What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

What's the best place to go shopping in the ocean?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

In which direction should the missing arrow point?

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

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Can you replace the question mark with the correct number?