Advertisements
Advertisements
प्रश्न
By just examining the unit digit, can you tell which of the following cannot be whole square?
1022
Advertisements
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.
APPEARS IN
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.
1458
Find the squares of the following numbers using column method. Verify the result by finding the square using the usual multiplication:
25
Find the square root the following by prime factorization.
196
Find the square root the following by prime factorization.
24336
Find the least square number, exactly divisible by each one of the number:
8, 12, 15 and 20
By splitting into prime factors, find the square root of 396900.
Examine if the following is a perfect square
725
Examine if the following is a perfect square
190
Using prime factorisation, find which of the following are perfect squares.
841
Using prime factorisation, find the square roots of 11025
