Xavier Aptitude Test 2018 Paper

Question : 67 of 99

Marks: +1, -0

These statements provide data that may help answer the respective questions. Read the questions and the statements and determine if the data provided by the statements is sufficient or insufficient, on their own or together, to answer the questions. Accordingly, choose the appropriate option given below the questions. A group of six friends noticed that the sum of their ages is the square of a prime number. What is the average age of the group?
Statement I: All members are between 50 and 85 years of age.
Statement II: The standard deviation of their ages is 4.6.

Statement I alone is sufficient to answer.
Statement n alone is sufficient to answer.
Either of the statement is sufficient to answer.
Both statements are required to answer.
Additional information is required.

Validate

Solution:

50 x 6=300
85 x 6 = 510 300 < Sum <510
Prime numbers square =

17^2

= 289

19^2

= 361

23^2

= 529
361 lies between the range (300 < 361 < 510).
Average age of the group = 361.

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