Quantitative Aptitude Ques 53

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 $