The more of this there is, the less you see. What is it?

How many triangles can you count in the figure given?

Usually, a boxing match consists of twelve rounds. In a particular friendly match between two heavyweights, the match was finished in the ninth round itself as one of the boxers knocked out the other one.

But, in that fight, no man threw even a single punch.

How can this be possible?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

Below, you can see some coding:
January = 1017
February = 628
March = 1335
April = 145
May = 1353
June = 1064
July = 1074
August = 186

Now deciphering the way it has been coded, can you find out how September will be coded?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

Why is a river so rich ?

With the help clues provided in the image, can you find the 5 digit key?