Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

A man dies of old age on his 25 birthday. How is this possible?

A bomb exploded in a room full of married couples and no one died. How?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

why number 8549176320 is one of a kind?

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?

Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?