Suppose there are n people in the party. The first person shakes hand with the other (n-1) guests. The second guest shakes hand with the other (n-2) guests. this will continue until the (n-1) th guest shakes hand with the nth guest.
Total number of handshakes is (n-1) + (n-2)... + 3 + 2 + 1.
= ((n-1)(n))/2
For example, 6 people in a party shake hand with other guests. So how many handshakes will be there?
=((6-1)(6))/2
=15.
Women's President of Indian National Congress, ഇന്ത്യൻ നാഷണൽ കോൺഗ്രസിന്റെ പ്രസിഡന്റായ വനിതകൾ, CODE -ASINS .
A- ANNIE BESANT(1917).
S- SAROJINI NAIDU(1925).
I- INDIRA GANDHI(1959).
N- NELLI SENGUPTA(1933).
S- SONIA GANDHI(1998).
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Code: FLASK OC .
F : Fathima Beevi .
First woman judge in supreme court.
L : Leela seth .
First woman chief justice in High court.
A : Annachandy .
First woman judge in High court.
S : Sujatha Manohar .
First woman chief justice in Kerala High court.
K : K.K usha .
First malayali woman to become chief justice in Kerala high court.
O : Omana Kunhamma .
First lady magistrate in India.
C : Cornilia Sorabji .
First woman advocate in India.
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Problems Type 1: .
A can finish work in X days. .
B can finish work in Y days.
Both can finish in Z days = (X*Y) / (X+Y). .
Problems Type 2: .
Both A and B together can do work in T days.
A can do this work in X days.
then, B can do it in Y days = (X*T) / (X-T) .
Problems Type 3: .
A can finish work in X days.
B can finish work in Y days.
C can finish work in Z days.
Together they can do work in T days = (X*Y*Z)/ [(X*Y)+(Y*Z)+(X*Z)] .
Problems Type 4: .
A can finish work in X days.
B can finish work in Y days.
A*X = B*Y.
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