In a party there are 120 handshakes. If all the persons shake hand with every other person. Then find the number of person present in the party?
In a party there are 120 handshakes. If all the persons shake hand with every other person. Then find the number of person present in the party?
Explanation
If each group comprises of 2 handshakes than total handshakes of all the individuals are 120*2 handshakes = 240
taking Lcm 240 = 16*15 hence 16 persons in total