Question

In a garden there are 5041 rose plants arranged in rows and columns. There are equal number of rose plant in each row and column. How many rows are there in all?​

Answer 1

Answer:

20

Let there be m rows and n columns.

Since, number of trees in rows is greater than columns by 10

thus, n−m=10 or m=n−10

nm=200

n(n−10)=200

n

2

−10n−200=0

n=

2

10±

100+800

n=

2

10±30

n=20,−10

Neglect the negative value, number of rows =20