Examveda
Examveda

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

A. 100

B. 105

C. 115

D. 125

Answer: Option B

Solution(By Examveda Team)

$$\eqalign{ & \,\,\,\,\,\,1|\overline 1 \,\,\overline {10} \,\,\overline {25} \,(105 \cr & \,\,\,\,\,\,\,\,\,|\,\,1 \cr & \,\,\,\,\,\,\,\,\,| - - - - - - \cr & \,\,20|\,\,\,\,\,\,10 \cr & \,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,0 \cr & \,\,\,\,\,\,\,\,\,| - - - - - - \cr & 205|\,\,\,\,\,\,\,10\,25 \cr & \,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,10\,25 \cr & \,\,\,\,\,\,\,\,\,| - - - - - - - \cr & \,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\text{X}} \cr & {\text{Number of rows}} \cr & {\text{ = }}\sqrt {10914 + 111} \cr & = \sqrt {11025} \cr & = 105 \cr} $$

This Question Belongs to Arithmetic Ability >> Square Root And Cube Root

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