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प्रश्न
The following number is not perfect square. Give reason.
333333
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उत्तर
A number ending with 2, 3, 7 or 8 cannot be a perfect square.
Its last digit is 3. Hence, 333333 cannot be a perfect square.
संबंधित प्रश्न
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Show that each of the following numbers is a perfect square. Also, find the number whose square is the given number in each case:
4761
Which of the following numbers are perfect square?
12
Which of the following numbers are perfect square?
16
Which of the following numbers are perfect square?
32
Which of the following numbers are perfect square?
81
Using prime factorization method, find which of the following numbers are perfect square?
343
What is next square number of 49?
Write the first five square numbers.
A three digit perfect square is such that if it is viewed upside down, the number seen is also a perfect square. What is the number?
(Hint: The digits 1, 0 and 8 stay the same when viewed upside down, whereas 9 becomes 6 and 6 becomes 9.)
