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प्रश्न
By just examining the unit digis, can you tell which of the following cannot be whole squares?
1028
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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.
1028 has 8 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.
2028
Find the square root of each of the following by prime factorization.
441
Find the square root the following by prime factorization.
190969
Find the square root the following by prime factorization.
586756
Find the square root the following by prime factorization.
3013696
A school collected Rs 2304 as fees from its students. If each student paid as many paise as there were students in the school, how many students were there in the school?
Find the least square number, exactly divisible by each one of the numbers:
(i) 6, 9, 15 and 20
Find the square root by prime factorisation method
784
Find the square root by prime factorisation method
1156
Find the smallest square number divisible by each one of the numbers 8, 9 and 10.
