Correct answer is C.
Earlier process efficiency = Value added time / Total Time = 18 / (18 + 36) = 33 %
Now process efficiency = Value added time / Total Time = 18 / (18 + 20) = 47 %
Imrpovement in Process Efficiency = 47% – 33% = 14%
Tips/Tricks/Cheatsheet to master PMP Exam and Concepts : Youtube Channel
PMP/Agile Useful Resources : PMP/Agile Resources
World of Project Management : Mobile App
Pass PMP in the First Attempt : PMP Strategy
All PMP Question & Answers: Question & Answers
Revise PMP & Agile Concepts: PMP Concepts
PMP Tips & Tricks: PMP Tips & Tricks
PMP Knowledge Area & Agile based Quiz:
20 Questions Challenge 50 Questions Challenge
Study Groups: Facebook Whatsapp Telegram