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Bunuel
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Bunuel
If a set consists of all positive digits less than or equal to 3 and of the squares of those digits, what is the mode of the set?

A. 1
B. 2
C. 3
D. 4
E. 9

A={1,2,3,1,4,9}

Mode = 1.

A


Sent from my iPhone.


Hello acegmat123! Apparently the question does not limit the numbers to the integers.
Anyway, answer A is correct because 1 is the only number that repeats twice (as a number of the set and as a square).
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Bunuel
If a set consists of all positive digits less than or equal to 3 and of the squares of those digits, what is the mode of the set?

A. 1
B. 2
C. 3
D. 4
E. 9

A={1,2,3,1,4,9}

Mode = 1.

A


Sent from my iPhone.


Hello acegmat123! Apparently the question does not limit the numbers to the integers.
Anyway, answer A is correct because 1 is the only number that repeats twice (as a number of the set and as a square).

Question doesn't say that the set consists of positive numbers. Instead it is mentioned as DIGITS. A digit is always an integer.


Sent from my iPhone using GMAT Club Forum mobile app
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Bunuel
If a set consists of all positive digits less than or equal to 3 and of the squares of those digits, what is the mode of the set?

A. 1
B. 2
C. 3
D. 4
E. 9

The mode is the value that appears most often in a set of data.

In the giver set , except 1 no other number and its square will be same...

Thus the mode of the set will be 1

Answer will definitely be (A) 1
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Bunuel
If a set consists of all positive digits less than or equal to 3 and of the squares of those digits, what is the mode of the set?

A. 1
B. 2
C. 3
D. 4
E. 9

Since the set consists of all positive digits less than or equal to 3 and of the squares of those digits, the numbers in the set are as follows:

1, 1^2, 2, 2^2, 3, 3^2

So we have:

1, 1, 2, 4, 3, 9

Thus, the mode, the most frequent number, is 1.

Answer: A
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