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In a meeting between 2 countries each country has 12 delegates. All the delegates of one country shake hands with all delegates of other countries. Find the number of handshakes possible?
option
a) 72
b) 144
c) 288
d) none

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TCS Other Question

what will be the remainder when (222)^222 is divided by 7?? In how many ways one or more than one fruit, can be selected from 6 varieties of fruits given that there are 5 fruits of each variety?
option
a) 66
b) 56
c) 66-1
d) none