Quantitative Aptitude Ques 522

Question: A teacher wants to arrange his students in an equal number of rows and columns. If there are 1369 students, the number of students in the last row are

Options:

A) 37

B) 33

C) 63

D) 47

Show Answer

Answer:

Correct Answer: A

Solution:

  • [a] Let the teacher arrange his students in n rows and n colomns. Then, $ n\times n=1369 $
    $ \Rightarrow $ $ n^{2}=1369={{(37)}^{2}} $
    $ \Rightarrow $ $ n=37 $
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