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Q.

The number of trees in each row of a garden is equal to the number of rows in the garden. After 111 trees have uprooted in a storm there remain 10914 trees in the garden. The number of rows of trees in the garden is


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a

100

b

105

c

115

d

125 

answer is B.

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Detailed Solution

Concept- Here, we'll apply the square and square root ideas to address this issue. We'll find the square root of the total number of trees, which equals 111  10914.
We will answer here that the number of trees is equal to the number of rows.
As a result, set the number of rows and trees to x.
This means that
Rows divided by trees divided by x
The total no. of trees = 10914 + 111 = 11025
The total number of trees before storm-related uprooting is 11025.
Therefore, the total number of rows x×x=x2
The result is obtained by equating the total number of rows with the total number of trees.x2=11025,x=11025
Or, x=105
Trees have x rows, which is 105.
Hence, the correct answer is option 2.
 
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