Question
Roger Federer play 3 sets of a tennis match. The
probability of his winning the three sets are 1/9,1/4,3/4 respectively. What is the probability that he will win at least 1 set of the game?Solution
Probability of Not winning all the three sets = (1 - 1/9) × (1 - 1/4) × (1 - 3/4) = 8/9  ×  3/4  ×  1/4 = 1/6 Probability of winning at least one set is 1 - 1/6 = 5/6
Which among the following symbols should replace the question mark [?] (in the same order from left to right) in the given expression in order to make b...
In the following questions assuming the given statements to be true, find which of the conclusion among given conclusions is/are definitely true and th...
Statement: A > D = N ; NÂ `>=` Q; Q > S; S < T
     Conclusion: I. N > S                     II. Q `<=` A
...Statements: L < E; M = O; E >K ≥ M
Conclusions:
I. L < M
II. K = O
Statements: V > I; W = U < I; V < X = Y ≥ Z
Conclusions:
I. Y > U
II. Z ≤ I
III. W < Y
...Statements: T = U, V < M, W ≥ T, U ≤ V
Conclusion:
I. U ≤ W
II. M > U
Statement: A < B; D ≤ C = B; I > C; E ≥ B
Conclusion:
I. I > E
II. E ≥ I
Statements: N ≤ O < P; N ≥ Q < R; Q > S ≥ T
Conclusions:
I. Q ≤ O
II. R ≥ T
III. Q > PStatements: H > S ≥ F = B ≤ U≤ T; E ≤ K ≤ B
Conclusions:I. U ≥ E II. S > T
Statements: I = H ≥ T = W ≥ M; N < L ≤ M = G ≤ K
Conclusions:
I. I > G
II. N < T
III. H ≥ L
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