It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

If your uncle’s sister is not your aunt, what relation is she to you?

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?

In order to complete the racing competition, the Mexico racetrack has to submit its top and the most famous three horses to win the competition. Due to an electrical storm, all the records are cleared and no one knows which horse holds the record. They all look identical and it becomes even more difficult to differentiate the horses. There are 25 horses in the Mexico racetrack. But there can be only five horses at a time on the track. What will the least number of races that can be conducted to find out the three fastest horses?

What has 88 keys?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

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

Why Aeroplane windows are round?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

Write the next letter in this sequence.
O, T, T, F, F, S, S, E, __
**Hint: It is a Number Series Puzzle