TCS Company Numerical Ability

If 10 boys meet at a reunion and each boy shakes hands exactly once with each of the others, then what is the total number of handshakes

Read Solution (Total 2)

ans 10c2=45
9 years agoHelpfull: Yes(3) No(1)

a boy has to shake hand with other 9
so 5*9=45
9 years agoHelpfull: Yes(1) No(1)

TCS Other Question

. Let exp(m,n) = m to the power n. If exp(10, m)= n exp(2,2) where m and n are integers then n= ___? If 10 boys meet at a reunion and each boy shakes hands exactly once with each of the others, then what is the total number of handshakes