What four weights can be used to balance from 1 to 30 pounds?

What is the below Rebus indicate?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

12345 a famous South Indian actor
567 is a path in jumbled form
8 & 10 are same letters
9 is one among the first six alphabets.
WHO AM I?

I guess 76.8% of readers will like this riddle.

What's the least number of people should read this post?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Count the squares in the matchstick puzzle below?

Which of the below owl is odd one out?

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

A man is found dead with a knife in his back When the investigation is done. A chair lays beside him and the forensic team finds moisture around the body.

If he committed suicide, how did he do it?