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15 Sep 2020, 03:15
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
90% (00:48) correct
10%
(01:07)
wrong
based on 135
sessions
History
Date
Time
Result
Not Attempted Yet
n , 8 , 3 , 15 , 17
What is the value of n in the list above?
(1) The median of the numbers in the list is 9.
(2) The difference between the greatest number in the list and the least number is 14.
What is the value of n in the list above?
(1) The median of the numbers in the list is 9.
(2) The difference between the greatest number in the list and the least number is 14.
15 Sep 2020, 03:20
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Explanation:
n , 8 , 3 , 15 , 17
Find n?
Statement 1: The median of the numbers in the list is 9.
median of a set of numbers is the middle number (in case of total numbers are in ODD)
so n-9
Sufficient
Statement 2: The difference between the greatest number in the list and the least number is 14.
n can have multiple values.
Not Sufficient
IMO-A
n , 8 , 3 , 15 , 17
Find n?
Statement 1: The median of the numbers in the list is 9.
median of a set of numbers is the middle number (in case of total numbers are in ODD)
so n-9
Sufficient
Statement 2: The difference between the greatest number in the list and the least number is 14.
n can have multiple values.
Not Sufficient
IMO-A
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15 Sep 2020, 03:26
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n , 8 , 3 , 15 , 17
1) median is 9
Since list consist of odd numbers.
Median has to be an element of set.
Where 9 is not in set.
But is the median.
Therefore n = 9
(Sufficient)
2) Range = 14
Highest -Lowest = 14
Case 1: n is positive.
So Highest no. Can't be more than 14 if n is 0
(But 14 is not amongst elements).
Case 2: Highest no. = 17
Lowest = 3
So n has to be a no. Ranging from 17≥N≥3
Many possible values
(insufficient)
Answer is A
Posted from my mobile device
1) median is 9
Since list consist of odd numbers.
Median has to be an element of set.
Where 9 is not in set.
But is the median.
Therefore n = 9
(Sufficient)
2) Range = 14
Highest -Lowest = 14
Case 1: n is positive.
So Highest no. Can't be more than 14 if n is 0
(But 14 is not amongst elements).
Case 2: Highest no. = 17
Lowest = 3
So n has to be a no. Ranging from 17≥N≥3
Many possible values
(insufficient)
Answer is A
Posted from my mobile device
