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Start learning 50% faster. Sign in nowTotal number of hats = 6 + 4 + 2 + 4 = 16 Let S be the sample space. Then, n(S) = number of ways of drawing 4 hats out of 16 = ¹⁶C_4 = (16 × 15× 14 × 13 )/( 4 × 3 × 2 × 1) = 1820 Let E= event of drawing 4 hats so that one is green, two are blue and one is red = n(E) = ²C_1×⁴C_2×⁶C_1= 2 × 6 × 6= 72 ∴ P (E) = (n(E))/(n(S))= 72/1820 = 18/455
Which of the following pair of symbols should be placed in the place of question marks respectively (in same order from left to right) in order to comp...
Statements: L ≥ O = J ≥ I ≤ V; C = T ≤ J
Conclusion: I. C < L II. C = L
In the question, assuming the given statements to be true, find which of the conclusion (s) among given three conclusions is/are definitely true and th...
In the question, relationship between some elements is shown in the statements (s). These statements are followed by two conclusions. Read the statemen...
Statements:
J © K * R, U % R $ Z
Conclusions:
I. Z $ J
II. U % K
III. U © J
Statements: L ≥ R, U ≤ N, N < M > I
Conclusion:
I. R > I
II. M ≥ U
Statement: C ≥ D > E < F ≥ G; D ≥ H = J
Conclusion:
I. C > H
II. C = J
Statements: Q ≥ B > G = F ≥ J; W ≤ B = N < L.
Conclusions:
I. N > J
II. Q > L
Statements: C ≤ E ≥ F > D; A > I ≥ G ≥ E; H = L < A
Conclusions:
I. L = C
II. I ≥ F
III. A > D<...
