Read this idea about digital payments: small shopkeepers use QR codes but still keep cash for elderly customers. Why does the writer mention this example?

C. to show the idea through a real-life situation / idea को real-life situation से दिखाने के लिए

Step 1: Identify the concept: reading skill: purpose. Step 2: The example makes the main idea easier to understand and apply. Step 3: Exam tip: For purpose, use the whole context, not one word only.

Step 1: यहाँ reading skill: उद्देश्य पहचानना है। Step 2: example मुख्य विचार को समझने योग्य और exam-oriented बनाता है। Step 3: याद रखें: उद्देश्य में पूरे passage का संकेत देखें।