5.A gardener has 5190 plants. He wants to plant in such a way that the number of rows and columns remains the same. Find the minimum number of plants left in this arrangement. [ Please step-by-step explanation.] (′⌒`)
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5.A gardener has 5190 plants. He wants to plant in such a way that the number of rows and columns remains the same. Find the minimum number of plants left in this arrangement. [ Please step-by-step explanation.] (′⌒`)
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Finding Square root of 5190:
7 | 5190 | 72
×7| 49
__________
142 | 290
× 2 | 284
__________
********* (6)
The remainder is 6.
This means , if we subtract 6 from 5190 ,we get a perfect square.
Therefore.,
If Gardner wants to plant in such a way that the number of rows and columns remains the same.
Perfect square = 5190 - 6
= 5184
= 72² ( perfect square )
The minimum number of plants left in this arrangement is 6 .
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