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deepaksoni
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Asked: 2021-03-16T22:54:16+05:30 In:

An aeroplane flying with a wind of 30 km/hr takes 40 minutes less to fly 3600 km, than what it would have taken to fly against the same wind. Find the planes speed of flying in still air.

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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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An aeroplane flying with a wind of 30 km/hr takes 40 minutes less to fly 3600 km, than what it would have taken to fly against the same wind. Find the planes speed of flying in still air.
Question no.30 , ML Aggarwal, chapter 5, exercise 5.5, quadratic equation in one variable, ICSE board,

icse boardml aggarwal solutionquadratic equation in one variable
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    1. Guru

      Solution:
      Let the speed of the plane in still air = x km/hr
      Speed of wind = 30 km/hr
      Distance = 3600 km
      ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 5 Quadratic Equations in One Variable Ex 5.5 Q30.1
      ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 5 Quadratic Equations in One Variable Ex 5.5 Q30.2

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