Akash, during his journey, travels for 30 minutes at a speed of 20 km/h, another 20 minutes at a speed of 30 km/h, and 2 hour at a speed of 40 km/h and 3 hour at a speed of 50 km/h. what is the average velocity?
Total distance = 30/60× 20 + 20/60× 30 + 2× 40 + 3 × 50 = 10 + 10 + 80 + 150 = 250 km Total time = 30/60 + 20/60 + 2 + 3 = 35/6 hr. Average velocity = (Total distance)/(Total time ) = (250 × 6)/35 = 42.85 km/hr.
Statements:
E ≤ A > J ≥ L; Y > J < D
Conclusions:
I. D > L
II. A > L
Statements:
E ≥ H > O < R > U = X
Conclusions:
I. E < O
II. X = O
Which of the following expressions will be true if the expression ‘J ≥ K > L ≥ M’ is definitely true?
Statements : M > J = L > O > I ≤ H < Q = N
Conclusions :
I. I > M
II. N > I
III. L < Q
Statements: P < Q = R ≥ S = T; R < U; R = W
Conclusion: I. W ≥ T II. U < P
...Statements: P # B, Q $ B, B @ J, J % F
Conclusions: I. F # B II. F @ B ...
Statements: A = B, C ≤ D, E < F, C ≤ F, D > B
Conclusion:
I. B ≥ C
II. B < C
Statements: D > E ≥ F ≥ G; H < I = G > J
Conclusions: I. J > E II. G < D
...Statements: G < H ≤ I, V ≥ W = G, R ≥ I = A
Conclusions : I. R > G
II. A ≥ H
III. H ≤ R
...Statements : B ≤ C < E; D ≤ F ≤ G; E = D; A > B
Conclusions :
(i) E ≥ G (ii) A < E (iii) B ≤ G (iv) C < F
...