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Start learning 50% faster. Sign in nowLet total work = 150 units Amount of work done by Red JCB machine in one day = 150/10 = 15 units Amount of work done by Green JCB machine in one day = 150/15 = 10 units Amount of work done by both machine in one day = 15 + 10 = 25 units Time taken by both machines together to complete the work = 150/25 = 6 days So the part of work done by both the machines together in 4 days = 4/6 = 2/3 Hence, option d.
Which of the following pair of symbols should be placed in the place of question marks respectively (in same order from left to right) in order to comp...
Statements: L ≥ O = J ≥ I ≤ V; C = T ≤ J
Conclusion: I. C < L II. C = L
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...
In the question, relationship between some elements is shown in the statements (s). These statements are followed by two conclusions. Read the statemen...
Statements:
J © K * R, U % R $ Z
Conclusions:
I. Z $ J
II. U % K
III. U © J
Statements: L ≥ R, U ≤ N, N < M > I
Conclusion:
I. R > I
II. M ≥ U
Statement: C ≥ D > E < F ≥ G; D ≥ H = J
Conclusion:
I. C > H
II. C = J
Statements: Q ≥ B > G = F ≥ J; W ≤ B = N < L.
Conclusions:
I. N > J
II. Q > L
Statements: C ≤ E ≥ F > D; A > I ≥ G ≥ E; H = L < A
Conclusions:
I. L = C
II. I ≥ F
III. A > D<...
