How can a man go eight days without sleep?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

Which wheel of car does not rotate when you turn your car right?

John was running from 40 thieves. John has got 3 gold boxes which weigh as 4kg, 2kg, and 1kg respectively. A witty man asked John to stay with him for seven days in exchange for 1kg gold per day. John needs to stay there for seven days and also do not want to give the witty man any advance. How can John pay for his seven days stay?

Which is heavier: a ton of bricks or a ton of feathers?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

Find the combined weight of the Cat, Dog and Rabbit in the given picture.