How are the job opportunities at big companies after graduating from MS CS at UPitt

Is it easy to get FAANG interview calls?

Do Professional LOR’s require any stamp from the company?

Do we need to get the lor sealed / stamped or is it not required and can we submit a pdf?

I am 3 years experienced IT professional. I have just decided today to opt for MS.Can I still apply for Fall 2022 MS admissions?

I have no preparation for GRE or anythinf else as I have decided it today to opt for Ms.

Positive integer y is 50 percent of... (GMAT Quants)

Positive integer y is 50 percent of 50 percent of positive integer x, and y per cent of x equals 100. What is the value