Question

if 5278 is squared, then what will be at unit place? a)8 b)7 c)4​

Answer 1

Answer:

4 is the unit place of square of 5278

Answer 2

$Given \: number \: 5278$

$\begin {tabular}{|c|c|}\cline{1-2}number&unit place digit in its square \\\cline{1-2} 1&1\\\cline{1-2} 2& 4\\\cline{1-2} 3&9\\\cline{1-2} 4&6\\\cline{1-2} 5&5\\\cline{1-2} 6&6\\\cline{1-2} 7&9\\\cline{1-2} 8&4\\\cline{1-2} 9&1\\\cline{1-2} \end {tabular}$

$Here , \red{ Unit \: digit \: square \: of \: 5278}$

$\green{ = 4}$

$Option \: \pink{ ( c ) } \: is \: correct.$

•••♪