Payback Period, ROI and NPV — GATE CH Topic Guide

Topic Overview

The topic Payback Period, ROI and NPV is an essential component of the Economic Analysis chapter in GATE CH Plant Design and Economics. Candidates must master the theoretical foundations, solve sample problems, and identify shortcuts to answer questions on this topic quickly under exam conditions.

Suggested Study Strategy

• Review standard formulas and theorems associated with Payback Period, ROI and NPV.
• Solve at least 15-20 practice questions of varying difficulty levels (easy, moderate, hard).
• Go through previous years' solved papers to examine how Payback Period, ROI and NPV questions were framed.
• Take short timed quizzes to evaluate your accuracy and problem-solving speed.