If in one room there are 30 students and each person handshake with anyone so how many times one person handshake with other aptitude ques
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This can be calculated by the factorial method...
Thus it is 30!
or 30*29*28*27*..........*2*1=
2.6525286e+32
Thus it is 30!
or 30*29*28*27*..........*2*1=
2.6525286e+32
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