Subject :Rea Class : Class 3
Subject :Rea Class : Class 3
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Subject :GENERAL Class : Class 6
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Subject :Sam Class : Sample
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Subject :Rea Class : Class 7
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Subject :GENERAL Class : Class 5
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Subject :Rea Class : Class 5
Ans 2:
Class : Class 5
sorry the past one was wrong okay so the formula for this is n*(n-1)1\2so n stands for no of people which is 6 now we have to do 6-1 which is 5 6*5 \2 so 2 *3 =6 and 3*5 is 15 so answer is c 15 hope you found this helpful
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Subject :Rea Class : Class 9
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Subject :Rea Class : Class 9