Vaibhav need to find total..
Vaibhav was in a club with 10 of his friend and each handshake with one another now vaibhav friend akshay ask vaibhav how many handshake happens in the club between his friends. ..
Vaibhav was in a club with 10 of his friend and each handshake with one another now vaibhav friend akshay ask vaibhav how many handshake happens in the club between his friends. ..