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Question

The average of 15 numbers is 84. The first seven numbers

and the last five numbers have averages of 92.5 and 72.5, respectively. The ninth number exceeds the eighth number by 20%, and the tenth number is reduced by (50/9)% from the ninth number. Determine the value of the ninth number.

A 90

B 80

C 85

D 75

E 115

Practice Next

More Average Questions

Statements: W > O > E ≤ N > P; L ≥ U; P > Q = R > U

Conclusions:

I. N > U

II. P > U

III. P < L

IV....
In each of the questions below are given some statements followed by two conclusions. You have to take the given statements to be true even if they see...
Which of the following will be definitely true if the given expression L > M ≥ N > O ≥ P > Q = S ≤ T > R ≤ U is definitely not true?
Statements: P ≤ Q > R > T > U, Q ≤ O < S, T < V

Conclusions:

I. R < S

II. P > U
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...
Statements:

T % W % B $ I @ L

Conclusions:

I. B * T

II. L © B

III. L * T
Statements: P ≥ U ≥ Y > T ≤ Q = V > R > S < W

Conclusion

I: Q > S

II: T ≤ P
Statements: P > Q = R ≤ S; R > T > U; U = Z ≥ O

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I. P > U

II. O < S

III. R > P
Statements:

L ≥ M = N < P; O < Q ≥ R =S ≥ L

Conclusions:

I). Q > M

II). Q = N
Statements: A < B ≤ C, A > E, F ≤ B < D

Conclusions:

I. D > A

II. E < B

III. C > E

IV. D > C

Relevant for Exams: