Question

what could be the possible unit digit of the square root of the following numbers:- a) 6241​

Answer 1

Step-by-step explanation:

79 is the answered because when 6241 first

two digits like - 62 divided 7 when 7 multiple 7=

49 so 62-49=13

then 41 will come down like 1341 divided by 149

then above 79

Answer 2

Answer:

1 or 9.(we can determine the unit digit of a perfect square by observing the unit digits of a number.)