Advertisements
Advertisements
प्रश्न
By just examining the unit digit, can you tell which of the following cannot be whole square?
1023
Advertisements
उत्तर
If the units digit of a number is 2, 3, 7 or 8, the number cannot be a whole square.
1023 has 3 as the units digit, so it cannot be a perfect square.
APPEARS IN
संबंधित प्रश्न
Find the smallest square number that is divisible by each of the numbers 4, 9, and 10.
Find the smallest square number that is divisible by each of the numbers 8, 15, and 20.
Find the smallest number by which 180 must be multiplied so that it becomes a perfect square. Also, find the square root of the perfect square so obtained.
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 square roots of 121 and 169 by the method of repeated subtraction.
Find the square root of 6400.
_______ is added to 242 to get 252
The least number by which 125 be multiplied to make it a perfect square is ______.
