Advertisements
Advertisements
प्रश्न
By just examining the unit digit, can you tell which of the following cannot be whole square?
1024
Advertisements
उत्तर
If the units digit of a number is 2, 3, 7 or 8, the number cannot be a whole square.
1024 has 4 as the units digit, so it is possibly a perfect square.
APPEARS IN
संबंधित प्रश्न
Find the smallest number by which the given number must be divided so that the resulting number is a perfect square:
14283
Write five numbers for which you cannot decide whether they are squares.
Find the square root the following by prime factorization.
196
Write the prime factorization of the following number and hence find their square root.
7744
A PT teacher wants to arrange maximum possible number of 6000 students in a field such that the number of rows is equal to the number of columns. Find the number of rows if 71 were left out after arrangement.
Find the square root by prime factorisation method
1156
Show that 500 is not a perfect square.
Using prime factorisation, find which of the following are perfect squares.
484
Using prime factorisation, find which of the following are perfect squares.
11250
Using prime factorisation, find the square roots of 11025
