RC -- Main Idea Passage:
Human decision-making relies on cognitive shortcuts known as heuristics. While these shortcuts allow rapid decisions in uncertain situations, they also cause predictable errors. Understanding how heuristics shape judgment can help in designing better decision-making environments.
What is the main idea?
Step 1: Identify the central theme of the passage. The passage explains what heuristics are, how they help, how they cause errors, and why understanding them is valuable.
Step 2: Choose the option that captures the overall message. Option (C) summarizes the passage: understanding heuristics helps improve decision-making systems.
Correct Answer: (C)
Reading Comprehension -- Inference Passage:
Introducing new technology in workplaces often fails not because it is inefficient but because it disrupts informal social norms that shape cooperation and workflow. Workers resist changes that alter these unwritten norms even when the technology itself may be superior.
Q: Which of the following can be inferred from the passage?
Passage:
Many economists argue that economic growth alone cannot guarantee well-being. While GDP may rise, factors like inequality, environmental degradation, and social alienation can worsen simultaneously. Thus, policy focus must move toward holistic indicators that measure quality of life rather than simply economic output.
Question:
Which of the following can be inferred from the passage?
If \((2m+n) + (2n+m)=27\), find the maximum value of \((2m-3)\), assuming m and n are positive integers.