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3. 49 members attended the party .In that 22 are males, 27 are females .The shake hands are done between males, females, male and female. Total 12 people given shake hands .How many such kinds of such shake hands are possible?

Read Solution (Total 3)

for handshakes always its nC2 .. so here its 12C2=66
12 years agoHelpfull: Yes(20) No(0)

Its 12c2
ie 66
12 years agoHelpfull: Yes(7) No(2)
12c2
12*11/1*2
=66
12 years agoHelpfull: Yes(5) No(0)

TCS Other Question

Find the number of powers of 20 in 100!
(a) 24 (b) 12 (b)1 (d)55
A Number has exactly 3 prime factors,125 factors of this number are perfect square and 27 factors of this number are perfect cubes,total how many factors does this number have?