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प्रश्न
By just examining the unit digit, can you tell which of the following cannot be whole square?
1022
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उत्तर
If the units digit of a number is 2, 3, 7 or 8, the number cannot be a whole square.
1022 has 2 as the units digit, so it cannot be a perfect square.
संबंधित प्रश्न
For the following number, find the smallest whole number by which it should be multiplied so as to get a perfect square number. Also find the square root of the square number so obtained.
252
By just examining the unit digit, can you tell which of the following cannot be whole square?
1024
Find the square root the following by prime factorization.
7056
Find the square root the following by prime factorization.
24336
Find the square root the following by prime factorization.
586756
Find the smallest number by which 3645 must be divided so that it becomes a perfect square. Also, find the square root of the resulting number.
Find the smallest number by which 1152 must be divided so that it becomes a perfect square. Also, find the square root of the number so obtained.
Find the cube root of 729 and 6859 prime factorisation.
A square board has an area of 144 square units. How long is each side of the board?
Is 176 a perfect square? If not, find the smallest number by which it should be multiplied to get a perfect square.
