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Let the sum of age of 19 girls be x years and the Age of the new girls be y years. Old Average = (Sum of the age of 19 girls + Age of the girl to be replaced)/Total number of girls => (x + 18) / 20 New Average = (Sum of the age of 19 girls + Age of the new girl) / 20 According to the question, As we know The average age of the girls is decreased by 2 months when one girl aged 18 years is replaced i.e. Old Averag - New Average = 2 month ⇒ {(x + 18)/20} – {(x + y)/20} = (2/12) ⇒ 18 – y = 10/3 ⇒ y = 44/3 years ⇒ y = 14 years 8 months ∴ The age of new girl is 14 years 8 months.
Statements: A = B ≥ C > D, F > G = H ≥ J, D ≥ E ≥ I > F
Conclusions:
I. D ≥ H
II. I > J
III. G < A
Statements: A ≥ B > C ≥ D < E < F < G
Conclusions: I. A > D II. G > C
...Which of the following symbols should be placed in the blank spaces, respectively ( in the same order from left to right ) in order to complete the giv...
In the question, assuming the given statements to be true, find which of the conclusion (s) among given conclusions is/are definitely true and then giv...
Study the following information carefully and answer the questions given below:
Statements:
Q = B > J, Q = U ≤ V, X ≤ V
Con...
Statements:
C < D ≤ Y = S; U > L = T; C < L = O > E
Conclusions:
I). U > E
II). T > Y
...Which of the following symbols should be placed in the blank spaces respectively (in the same order from left to right) in order to complete the given e...
Statements: A ≥ B ≥ Y = Z = M ≥ N ≤ E ≤ F = J
Conclusions:
I. F > Z
II. J ≤ Y
...Statements: P = Q < R < S; T ≥ U = S; V > T
Conclusions:
I. P > U
II. V = U
III. Q < V
Which one the following symbols should replace the question mark in the given expression, in order to make the expressions M ≤ J as well as O > L ...
