Can you solve the photo plexer logic ?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

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?

What came first, the chicken or the egg?

How many letters are in the alphabet?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

While house hunting in London, I came across a very good leasehold property Discussing the lease the landlady told me:

'The property was originally on a 99 years lease and two-thirds of the time passed is equal to four-fifths of the time to come. Now work it out for yourself and see how many years are to go!

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?