Question
Download Solution PDFHow many 7's are present in the following sequence of numbers which are both preceded and followed by perfect square numbers?
1 2 3 7 9 7 4 3 6 9 7 2 1 7 4 9 5 2 5 4 7 9 5 2 9 7 1 4 7 1
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven series: 1 2 3 7 9 7 4 3 6 9 7 2 1 7 4 9 5 2 5 4 7 9 5 2 9 7 1 4 7 1
According to the question, such '7' which are immediately preceded and followed by perfect square numbers:
Required condition: Square number - 7 - Square number
1 2 3 7 9 7 4 3 6 9 7 2 1 7 4 9 5 2 5 4 7 9 5 2 9 7 1 4 7 1
Thus, there are five such '7' which are immediately preceded and followed by perfect square numbers.
Hence, "Option 3" is the correct answer.
Last updated on Jul 4, 2024
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