Question: 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
Options:
A) 100
B) 105
C) 115
D) 125
Show Answer
Answer:
Correct Answer: B
Solution:
- Let the number of rows of trees be x.
$ \therefore $ Number of trees in each row = x
According to the question,
$ x^{2}-111=10914 $
$ \Rightarrow $ $ x^{2}=10914+111 $
$ =11025 $
$ \Rightarrow $ $ x=\sqrt{11025}=105 $