Expert Math Class 12 Level 1

If A has 5 elements, what is the number of all relations from A to A?

यदि A में 5 तत्व हैं, तो A से A पर कुल relations की संख्या क्या होगी?

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Correct Answer

B. 33554432

Explanation

Step 1: Identify the concept: relation counting. Step 2: A×A has 25 ordered pairs. Each ordered pair has two choices, selected or not selected, so total relations are 33554432. Step 3: Exam tip: Count the pairs in A×A and then use a power of 2.

Step 1: अवधारणा relation counting है। Step 2: A×A में 25 ordered pairs होते हैं। हर ordered pair को relation में लेना या न लेना दो choices देता है, इसलिए कुल 33554432 relations होंगे। Step 3: याद रखें: A×A के pairs गिनकर 2 की power लगाएं।

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