Question
Two pipes M and N can fill a tank in 14 hours and 21
hours respectively. The pipes were opened together, but pipe N stopped working after sometime and the rest of the tank was filled by pipe M in 4 hours. After how many hours did pipe N stop working?Solution
let pipe N stop working after x hours x/21 + (x+4)/14 = 1 x = 6 hours
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...
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 then...
In the question, assume the given statements to be true. Find which of the following conclusion(s) among the three conclusions is/ are definitely true ...
Statements: A > B > C; D < E < C; D ≥ F = G
Conclusion:
I. G < E
II. F < A
Statements:Â
A $ B * X © Y @ ZÂ
Conclusions:Â
I. X @ ZÂ
 II. Z * AÂ
III. Z % X
In which of the following expressions will the expression ‘S > Y’ and ‘R > Y be definitely true?
Statements: T > S > R, L ≥ D < R, L ≤ O ≤ Z
Conclusions:
I. T > L
II. S > D
III. Z ≥ R
...In the following question, a relationship between different elements is shown in the statements, followed by two conclusions I and II. Assuming the stat...
Statements: A > Y = D > Q, M ≤ B > P > Y
Conclusion:
I. Y ≤ M
II. B > QÂ Â
Statement: L ≥ X ≤ Z > Y ≤ A, Y = B ≥ CÂ
Conclusion: I. C >A                         II. A ≥ C
...