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deepaksoni
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Asked: 2021-03-16T22:21:06+05:30 In:

In an auditorium, the number of rows are equal to the number of seats in each row.If the number of rows is doubled and number of seats in each row is reduced by 5, then the total number of seats is increased by 375. How many rows were there?

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This question has been taken from Book:- ML aggarwal, Avichal publication, class10th, quadratic equation in one variable, chapter 5, exercise 5.5
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In an auditorium, the number of rows are equal to the number of seats in each row.If the number of rows is doubled and number of seats in each row is reduced by 5, then the total number of seats is increased by 375. How many rows were there?

Question no. 23, ML Aggarwal, chapter 5, exercise 5.5, quadratic equation in one variable, ICSE board,

ml aggarwal solutionquadratic equation in one variable
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    1. Guru

      Solution:
      Let the number of rows = x
      then no. of seats in each row = x
      and total number of seats = x × x = x²
      According to the condition,
      ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 5 Quadratic Equations in One Variable Ex 5.5 Q23.1

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