Can you identify if it's a murder or a suicide ?

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?

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

Find the next number in the series below.

6 18 270 72090 ?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Identify the hidden meaning behind this picture?

What is the relationship between these matchstick pictures below?

The below mentioned letters have been placed in a order using a logic.

DEAD, BALL, FEAR, SHOP

Can you find the logic?