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There are 10 buses running between …

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There are 10 buses running between Delhi and Agra. In how many ways can a man go from Delhi to Agra and return by different bus?
  • 3 answers

Mansi Shrivastava 8 years, 3 months ago

90 Because its written that man is returning by different buses so first 10*returning 9 buses because there will be one bus by which he can't return so9 10*9=90

Rahul Poddar 8 years, 3 months ago

Man can go from Delhi to agra by 10 ways and return by 9buses so, total number of ways are 90

Arshad Hussain 8 years, 3 months ago

90
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