Question
Two inlet pipes M and N alone can fill a tank in 10
hours and 12 hours respectively and an outlet pipe P alone can empty the whole tank in 5 hours. First pipe M is opened for 6 hours, then pipe P is opened for 3 hours and rest of the tank is filled by pipe N. In what time will the tank be filled completely?Solution
Total capacity = 60 units (LCM of 10, 12 and 5) Efficiency of pipe M = 60/10 = 6 units/hr Efficiency of pipe N = 60/12 = 5 units/hr Efficiency of pipe P = 60/-5 = -12 units/hr Capacity of tank filled by pipe M in 6 hours = 6 × 6 = 36 units Capacity of tank emptied by pipe P in 3 hours = -12 × 3 = -36 units Capacity of tank left for pipe N = 60 – 36 – (-36) = 60 units Time taken by pipe N to fill the remaining tank = 60/5 = 12 hrs Total time taken = 6 + 3 + 12 = 21 hrs
Statements: A ≤ B = C ≥ D > E > F; F = G ≥ H = I > J > K = L
Conclusions:
I. B > F
II. H = L
Statements: B > C= D > F < G = J; H > F > I ≥ E
Conclusions:
I. C > E
II. H < G
III. J = H
Which of the following should be placed in the blank spaces respectively (in the same order from left to right) in order to complete the given expressi...
Statement: C > B > T < J > D > M < Z
Conclusion: I. C > M II. C > Z
Statements: G > I = H ≥ J ≥ L, H = M ≤ N < K
Conclusions:
I. G > M
II. N ≥ L
III. K > I
Answer the questions based on the information given below.
A @ B means A is not smaller than B
A & B means A is neither smaller than nor...
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...
Statements: H ≥ I > J, K > J, L = M ≥ J
Conclusions:
I. L > K
II. H > J
Statement: V > R; C > U > Q; C < R
Conclusion:
I.V > Q
II. V > U
Statements: I > E ≥ F; G < D ≤ I; J < E ≤ H
Conclusions:
I. G < E
II. H ≥ F
III. E < D
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