Replace the question mark with the correct number in below Picture:

Can you name some countries which do not have the alphabet 'A' in them?

What does the below rebus riddle means?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

There is a circular car race track of 10km. There are two cars, Car A and Car B. And they are at the exact opposite end to each other. At Time T(0), Both cars move toward each other at a constant speed of 100 m/seconds. As we know both cars are at the same speed they will always be the exact opposite to each other.
Note, at the center, there is a bug which starts flying towards Car A at time T(0). When the bug reaches car B, it turns back and starts moving towards the car A. The speed of bug is 1m/second. After 5 hours all three stop moving.
What is the total distance covered by the bug?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

I am white when I am dirty, and black when I am clean. What am I?

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

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