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Ravan wanted to buy a new mobile in the upcoming Diwali festival sale. He decided to buy one latest mobile. But many companies have launched new mobiles recently such, One plus released 1 new mobiles, Xiaomi launched 5 new mobiles, and Oppo announced 6 new android phones, so he was perplexed to choose the right mobile. Now tell me what the possible ways Ravan has to select a phone for this festival sale are?
 
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Ravan has  possible ways to buy a phone from the available options.