How many triangles are there on the puzzle below?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

While sitting in the Car, John suddenly finds that one of the wheels was missing. John noticed that a killer is approaching towards him. John cannot get out of the car.

How will John escape?

You can see it everyday, But cannot touch it at will. What is it?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

John and Jenni are a married couple. They have two kids, one of them is a girl. Assume safely that the probability of each gender is 1/2.
What is the probability that the other kid is also a girl?

Hint: It is not 1/2 as you would first think.

Take one out and scratch my head, I am now black but once was red. What am I?

What does below Rebus say?

XLR8

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

How many triangles can you find in this given picture?