Question
At the conclusion of a party, a total number of 28
handshakes were exchanged. Every person in the party shook hands with every other person who atended the party. What was the total number of persons who atended the party?Solution
Let n be the number of people present. For every handshake, 2 persons are required. Since each handshake is between two persons, the total number of handshakes = nC2 =28 n! /{(n-2)! * 2!} = 28 n(n-1) = 56 So, n =8
Statements: L ≥ M > N, P > N, T = O ≥ N
Conclusions:
I. T > P
II. L > N
Statements: P ≥ Q = S; T > U > R ≥ Q; V = W < U
Conclusions:
I. P > U
II. R < V
III. T < S
Statement: A ≥ B ≥ C = D > E, F > G = H ≤ CÂ
Conclusion: I. C ≥ F          II. F > D
Statements: M % N, N & A, A @ B, B # C
Conclusions: I. C & AÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â II. M # B
...Statements: S ≥ T = U > V, W < T ≤ P > X
Conclusion:
I. V ≥ X
II. W < S
In the following question the relationship between different elements is given in the statements followed by three conclusions I, II and III. Read the ...
Statements: B > C, D > E, C = F, A ≥ F, D = A
Conclusion:
I. B ≥ E
II. E > B
In the question, assume the given statements to be true. Find which of the following conclusion(s) among the three conclusions is/ are definitely true ...
Statements: U ≤ T < V; W < V; S = T < R; X < W = Y < Z
Conclusions:
I. R > U
II. X < S
III. T < Z
Which of the following symbols should be placed in the blank spaces respectively (in the same order from left to right) to complete the given expression...