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ATQ, Let, speed of Submarine in still water and speed of stream is ‘9a’ km/h and ‘4a’ km/h, respectively. Upstream speed = 9a – 4a = 5a km/h Downstream speed = 9a + 4a = 13a km/h So, 112/5a + 130/13a = 81/10 Or, (22.4 + 10) × 10/81 = a Or, a = 4 Upstream speed = 5 × 4 = 20 km/h Downstream speed = 13 × 4 = 52 km/h Desired time = (64/20) + (195/52) = 3.2 + 3.75 = 6 hrs 57 minutes
Statements: B > D = H > G < J ≤ K > L < I
Conclusion
I: B ≥ G
II: K > G
In this question, the relation between various elements is shown in the statement. After the statement, two conclusions are given, select a suitable opt...
In the question, assuming the given statements to be true, find which of the conclusion (s) among given three conclusions is /are definitely tr...
Which of the following will be definitely true if the given expression Y > Z ≥ H > J ≥ P > Q = R ≤ K > E ≤ F is definitely not true?
Statements: N $ J, J % O, O * P, P # X
Conclusions :
I. X % J
II. N $ P
III. J % X
IV. X % O
Statements : M ≤ N; O < R; O = N; S ≥ Q; N > S
Conclusions :
(i) Q < M (ii) N ≥ Q (iii) M > R
...Statement:M<N≥O =A ≥P;P<R;N<T
Conclusions:
I. M < R
II. T > R
Statement: X≤W=Y<P; W≥Z; Z ≥X
I. P>X
II. Y≥X
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 t...
Statements: Q = R; S ≥ T; P ≤ Q; R > V; R > S; T ≥ U
Conclusions:
(i) R > U (ii) V ≥ U (iii) P = R (iv) P < R
...