Question

100^1÷2
$100 \times \fr1ac{?2}{?}$
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Answer 1

Answer:

the answer of this question is 50

Answer 2

Answer:

Let us solve this question step by step:

Any number formed by this method is clearly divisible by 3.

Since it needs to be a square, it should be divisible by (3)^[2*k].

k varies over the natural numbers.

Now consider, the original number.

It has 100 1’s, 100 2’s and 100 3’s.

Sum of these digits is 600.

This is not divisible by 9.

Hence number is not divisible by 9.

If a number is divisible by (3)^[2*k], it is divisible by 3^k.

This number is not divisible by 3^k for any k>1.

Hence it is not a perfect square for any arrangement.

Step-by-step explanation:

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