Question
40 men or 50 women can build a wall in 30 days. If 40
men and 50 women work together, how many days will they take to complete 60% of the work?Solution
ATQ,
Let efficiency of each man and woman be M and W units/day respectively. So, 40M × 30 = 50W × 30 ⇒ 4M = 5W Total work = 40M × 30 = 1200M units Combined efficiency = 40M + 50W = 40M + 40M = 80M units/day (Since 50W = 40M using 4M = 5W) Required time for 60% of the work = 0.60 × (1200M / 80M) = 9 days
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 t...
Statements: G > N > P = E ≥ H < L; M < E < B < C = Q > X; U > W > Y = Q > H
Conclusions:
I). U > P
II). Y > P
...Statements: S > U ≥ V = X, Y < M < X, Y = T ≥ W
Conclusions:
I. S > Y
II. M ≤ U
III. W < XStatements: D ≤ E < L < F; H < I ≤ O = E; G > F > J
Conclusions:
I. H < L
II. J < D
III. G > O
Statements: P > Q = R ≤ S; R > T > U; U = Z ≥ O
Conclusions:
I. P > U
II. O < S
III. R > P
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 t...
Statements: Â T # L # C $ X & Y % E % F
Conclusions:
I. Y @ F
II. Y & F
III. Y & C
...Statements: T < I = Q < U ≤ V; U > F; J = U ≤ E
Conclusions:
I. E > Q
II. V ≥ T
III. T < V
IV. F = T
...Statements:
L ≤ J ≤ C = N; W ≥ X > L
Conclusions:
I. J ≤ X
II. X ˃ W
Statements:
P ≤ M < X > K; X < S > T; T < U < V
Conclusions:
I). Â P < S
II).  P ≥ S
...