Can you solve this picture maths equation?

What goes through cities and fields, but never moves?

Look at the picture and find out which square is not linked with any of the other squares.

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

What is harder to catch the faster you run?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?