Question

seeing the value of the units place ,state which of the following can be square of a number?
i)3051
ii)2332
iii)5684
iv)6908
v)50699

pls help..I would really appreciate it​

Answer 1

Answer :

• i) 3051
• ii) 5684
• v) 50699

Tip :

⇒ If any number ends with or the if any number which has 2,3,7 or 8 as unit digit , is never a square (perfect square) of number.

Explanation :

i) 3051

⇒ Clearly , 3051 is a perfect square of any number as its unit's digit is 1 not 2,3,7 or 8.

ii) 2332

⇒ Clearly , 2332 is not a perfect square of any number as its unit's digit is 2.

iii) 5684

⇒ Clearly , 5684 is a perfect square of any number as its unit's digit is 4 not 2,3,7 or 8.

iv) 6908

⇒ Clearly ,6908 is not a perfect square of any number as its unit's digit is 8.

v) 50699

⇒ Clearly , 50699 is a perfect square of any number as its unit's digit is 9 not 2,3,7 or 8.

More information :

$\odot$ Square of a number means multiplying the number with itself. i.e,

Square of y = ( y × y ) or y²

$\odot$ The square of even numbers are always even.

$\odot$ The square of odd numbers are always odd.

$\odot$ If any number ends with odd number of zeroes, then it is never a perfect square.