What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

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?

What has a bottom at the top?

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 ?

What word is identified by the below rebus?

Your Your Your Your Your
Your Your Your Your Your

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Mr Black, Mr Gray, and Mr White are fighting in a truel. They each get a gun and take turns shooting at each other until only one person is left. Mr Black, who hits his shot 1/3 of the time, gets to shoot first. Mr Gray, who hits his shot 2/3 of the time, gets to shoot next, assuming he is still alive. Mr White, who hits his shot all the time, shoots next, assuming he is also alive. The cycle repeats. If you are Mr Black, where should you shoot first for the highest chance of survival?