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Direction: Three of the following four numbers are alike in a certain way and one is different.    (SSC CHSL 2018)
Pick the number that is different from the rest.
  • a)
    16
  • b)
    121
  • c)
    100
  • d)
    81
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Direction:Three of the following four numbers are alike in a certain w...
Explanation:
To find the number that is different from the rest, we need to identify the pattern or relationship among the numbers.

Pattern:
The numbers given are 16, 121, 100, and 81. Let's analyze these numbers to identify the pattern or relationship among them.

1. 16 is a perfect square of 4.
2. 121 is a perfect square of 11.
3. 100 is a perfect square of 10.
4. 81 is a perfect square of 9.

From the above analysis, we can observe that all the numbers except 121 are perfect squares. Therefore, the number 121 is different from the rest.

Thus, the correct answer is option 'B' - 121.
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Community Answer
Direction:Three of the following four numbers are alike in a certain w...
16, 121, 100 and 81 all are square number, but number of factors of 121 is only 3. that are 1, 11, 121, whereas number of factors of 16, 100 and 81 are more then 3.
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Direction:Three of the following four numbers are alike in a certain way and one is different. (SSC CHSL 2018)Pick the number that is different from the rest.a)16b)121c)100d)81Correct answer is option 'B'. Can you explain this answer?
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