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Number of integers greater than 7000 and...

Number of integers greater than 7000 and divisible by 5 that can be formed using only the digits 3, 6, 7, 8 and 9, no digit being repeated, is

A

46

B

48

C

72

D

42

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The correct Answer is:
To solve the problem of finding the number of integers greater than 7000 and divisible by 5 that can be formed using the digits 3, 6, 7, 8, and 9 without repeating any digits, we can follow these steps: ### Step 1: Understand the conditions We need to form integers that: 1. Are greater than 7000. 2. Are divisible by 5. 3. Use the digits 3, 6, 7, 8, and 9 without repetition. ### Step 2: Determine the last digit for divisibility by 5 Since the only digits available are 3, 6, 7, 8, and 9, and none of them is 0 or 5, we cannot have a unit digit of 0 or 5. Therefore, we cannot form any number that meets the criteria of being divisible by 5. ### Step 3: Conclusion Since there are no digits available that can make the number divisible by 5, the answer is that there are **0 integers** that can be formed under these conditions. ### Final Answer The number of integers greater than 7000 and divisible by 5 that can be formed using the digits 3, 6, 7, 8, and 9, with no digit being repeated, is **0**. ---
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