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CDS Model Paper 1 Mathematics

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Question : 16

Total: 100

A small airplane can travel at 320‌km∕h in still air. The wind is blowing at a constant speed of 40‌km∕h. The total time for a journey against the wind is 135 minutes. What will be the time in minutes for the return journey with the wind? (Ignore take off and landing for the airplane) :

94.5
105
108.125
120

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