Our product and our sum always give the same answer. Who are we?

What is the next number?

77, 49, 36, 18 ?

Can you identify the famous TV character from the rebus below?

How do you go from 98 to 720 using just one letter?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

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

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 add 5 to 9 and get 2. The answer is correct, so what am I?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.