Question
The average of a series of 30 numbers is 70. The
difference between the largest number and the smallest number is 140. If the largest and the smallest number are excluded from the series, the average becomes 68. What is the largest number of the original series?Solution
Sum of smallest and largest number = 30 × 70 – 28 × 68 = 196 Difference of smallest and largest number = 140 ∴ Largest number = (196 +140)/2 = 168
In which of the following expressions will the expression ‘D < F’ does not hold true?
Statements: S > P = N ≥ G; Y = G ≥ J < O
Conclusions:
I. P ≥ J
II. J < P
Statements: D > E ≥ I > G; L = F < H ≤ G; L > J
Conclusions:
I. E > J
II. L ≤ D
III. I ≥ F
- Statements: K < R ≤ G < V; K ≥ M > N; I > V
Conclusions:
I. K > I
II. I > M
III. N < G If A = B, C ≥ D, A < D and  E > B , then which of the following conclusion is true?
Statements: Y ≥ Q ≥ P = T; T ≤ H < O; O > I
Conclusions:
I. P ≥ O
II. I > P
III. T < Y
Which among the following symbols should replace the question mark [?] (in the same order from left to right) in the given expression in order to make b...
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...
Statement:
T > D ≥ C = X < B < O ≤ F
Conclusions:
I).  F > X
II). F < D
...Statements: C > E > Y > U ≤ O ≥ P = V
Conclusion
I: O > E
II: U > C
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