Question

how many non square number lie between 40 sqaure and 42 square

Answer 1

Answer:

Step-by-step explanation:

(41)^2 - (40)^2  

=1681 - 1600 = 81  

hence there are 81 numbers between ,(41)^2 and (40)^2 which are non square.

hope it helps

Answer 2

There are 80 non square numbers lie between $40^2\ and\ 42^2$

Step-by-step explanation:

Since we have given that

$40^2\ and\ 42^2$

As we know that

$40^2=1600\\\\and\\\\42^2=1764$

So, the number of non square numbers are $2\times 40=80$

Hence, there are 80 non square numbers lie between $40^2\ and\ 42^2$

# learn more:

How many non square number lie between 41 square and 40 square

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