Question

20. 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?
​

Answer 1

Answer:

120 shake hands

Step-by-step explanation:

meeting of two countries at a time.

total 20 countries 20÷2=10, in one country 12 delegates. when 24 delegates shake hands 24÷2=12 ,12×20 =120 shake hands.