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ATQ; Let the speed of the boat in still water and the speed of the stream be ‘x’ km/h and ‘y’ km/h, respectively. Downstream speed of the boat = (x + y) km/h Upstream speed of the boat = (x – y) km/h Downstream speed of the boat = (720/18) = 40 km/h
According to the given condition, (x + y) = 40 ------- (I) And, 40 = 1.6 × (x – y) Or, (x – y) = 40 / 1.6 = 25 -------- (II) By adding equation (I) and equation (II), we get x = 32.5 km/h Therefore, the speed of the boat in still water = 32.5 km/h
Statements : B ≤ C < E; D ≤ F ≤ G; E = D; A > B
Conclusions :
(i) E ≥ G (ii) A < E (iii) B ≤ G (iv) C < F
...Statements:
A < R ≤ Y = F; U > L = T; A < L = P > E
Conclusions:
I). U > E
II). T > Y
...Which of the following symbols should replace the sign (@) respectively in the given expression in order to make the expression Y ≥ Z and D > K defini...
In the question, assuming the given statements to be true, find which of the conclusion (s) among given two conclusions is /are definitely true and the...
Which of the following expressions will be false if the expression Q < H = G ≤ E > U is definitely true?
Statement- 1 - 6# ≥ 9# ≥ 10# ≤ 5#
2 - 7* ≤ 10# ˃ 5* ≥ 6*
Conclusions:
1) 5# > 5*
2) 9# ˃ 6*
3) 7...
Statements:
R ≤ A ≤ B > C = X < J < K = L
Conclusions: I. R ≤ B II. L > C ...
In the question assuming the given statements to be true, find which of the conclusion(s) among given three conclusions is/are definitely follows and t...
Statements: L ≥ O = J ≥ I ≤ V; C = T ≤ J
Conclusion: I. C < L II. C = L
In which of the following expressions the expression ‘Q ≤ N’ would hold definitely true?
