Advertisements
Advertisements
प्रश्न
By just examining the unit digis, can you tell which of the following cannot be whole squares?
1028
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Find the square root of the following number by the prime factorisation method.
529
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
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.
1458
For the following number, find the smallest whole number by which it should be divided so as to get a perfect square number. Also find the square root of the square number so obtained.
2925
Write true (T) or false (F) for the following statement.
The number of digits in a square number is even.
By splitting into prime factors, find the square root of 194481.
Examine if the following is a perfect square
190
Find the cube root of 729 and 6859 prime factorisation
Using prime factorisation, find which of the following are perfect squares.
484
Using prime factorisation, find the square roots of 11025
