2500 plants are to be planted in a garden in such a way that each row contains as many plants as the number of rows. Find the number of plants in each row.
A
20
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B
30
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C
40
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D
50
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Solution
The correct option is D 50 Let the number of rows be 'p'.
So number of plants in each row is also 'p'.
Therefore total number of plants = p × p = p2
Now, according to the problem p2=2500
So p = √2500=50
Hence number of plants in each row is 50.