A gardener has $1000$ plants. He wants to plants to plant these in such a way that the number of rows and the number of columns remain same. Find the minimum number of plants he needs more for this.

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answer is B.

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Detailed Solution

Given that a gardener has 1000 plants.
If the number of rows and number of columns are to be equal, then the total number of trees will be in the form of

x^{2}

, which is nothing but a perfect square.
As 1000 is not a perfect square, you need to check for a perfect square above and nearest to 1000.
It's 1024, which is square of 32.
So, he needs to add 24 more trees to get 1024.
Therefore, option (2) is correct.

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