120 students are arranged by two teachers Rajesh and Ramesh, in ‘x’ rows and ‘y’ columns such that eachrow has the same number of students. Similarly, every column has same number of students. Each of thestudents has 15 pencils initially. Every students gets extra pencils from Rajesh. If he is in the mth row, he gets‘m’ pencils. There after each of the students gives away some pencils to Ramesh. If the student is in the nthcolumn, he gives away ‘n’ pencils. Finally the total number of pencils with the students is 16 times the totalnumber of students.Answer questions with respect to given data. choose the right answer as per you think is appropriate:Question: With respect to the given data above, What is the value of ‘x’ ?

1) 12
2) 15
3) 10
4) 20