How can a man go eight days without sleep?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

Find the next number in the following series:
6, 14, 26, 98, __?

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

There are three boxes of different sizes with three cupcakes inside each of the boxes in Christina's kitchen. At night her daughter wakes up and goes to the kitchen. She opens a box and eats all three cakes.

But in the morning Christina finds out that each box still had three cupcakes. How?

10+10 and 11+11 can give you the same answer.

Explain how?

What is next number in the pattern below:

131 517 192 123 ?