What does this rebus means ?

PROG WORKRESS

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

If six children and two dogs were under an umbrella, how come none of them got wet?

I shave every day, but my beard stays the same. What am I?

Client Dempsey living in one of the East Coast states of the U.S. was talking to Landon Donovan, who was living in the West Coast state of the U.S.

Dempsey: What time is it?
Donovan: Wow, It is the same time here.

How is this possible?

Solve the riddle below:

If a Chicken says, 'All chickens are liars" is the chicken telling the truth?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

Can you identify if it's a murder or a suicide ?

If 21x = 79x, what is the value of x?

The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?