Work done by pipe A in one hour = 1/15. Work done by pipe B in one hour = 1/20. In 5 hours, work done by A = 5 * (1/15) = 1/3. Remaining work = 1 - 1/3 = 2/3. Now, only pipe B is working. Work done by B in one hour = 1/20. Time taken by B to fill the remaining tank = (2/3) / (1/20) – 5 hours = (2/3) * 20 -5 = 40/3 -5 hours ≈ 8.33 hours. Correct option: d) 8.3 hours
Statements: P < Q = R ≥ S = T; R < U; R = W
Conclusion: I. W ≥ T II. U < P
...Which of the following expressions will be false if the expression Q < H = G ≤ E > U is definitely true?
Which of the following set of elements should be placed in the place of question marks respectively (in same order from left to right) in order to compl...
Statements: D = B ≤ I < L ≥ M = R; T = U ≥ L
Conclusion: I. D < U II. B = T
Statement: P > Q; Q≥ W = X < Z
Conclusions: I. W < P
II. X≤ Q
...Statements:
Some Cloud is Thunder.
Only a few Thunder is Lighting.
No Lighting is Star.
Conclusion:
I. All Cloud can ...
Statements:
A < R ≤ M =S; U > L = T; A < L = O > E
Conclusions:
I). U > E
II). L > M
...Statements:
Only Ear is Eye.
No Hand is Ear.
Only a few Hands are Legs.
Conclusion:
I. Some Eyes can be Legs.
...
If the expressions, ′A < B ≤ N > E ′, ′Z ≥ N′ and ′Z ≥ B′ are true then which of the following combinations will be definitely true?
Statements: A ≥ B > C < D, E ≥ F ≥ G, D = H ≥ E
Conclusion:
I. B > F
II. D ≥ G
III. C < G
