\(How many elements are there in (E={x:x\) is an even digit})?
B. (5)
सम अंक (0,2,4,6,8) होते हैं। / The even digits are (0,2,4,6,8).
इनकी संख्या (5) है। / There are (5) such digits.
याद रखें कि (0) भी सम अंक है। / Remember that (0) is also an even digit.
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Correct Answer: B. (5). Explanation: चरण 1: सम अंक (0,2,4,6,8) होते हैं। चरण 2: इनकी संख्या (5) है। चरण 3: याद रखें कि (0) भी सम अंक है। / Step 1: The even digits are (0,2,4,6,8). Step 2: There are (5) such digits. Step 3: Remember that (0) is also an even digit.
इनकी संख्या (5) है। / There are (5) such digits.
याद रखें कि (0) भी सम अंक है। / Remember that (0) is also an even digit.
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