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Direction: Three of the following four number-pairs are alike in a certain way and one is different.   (SSC Sub. Ins. 2018)
Find the odd one out.
  • a)
    25 : 50
  • b)
    36 : 63
  • c)
    9 : 26
  • d)
    49 : 82
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Direction:Three of the following four number-pairs are alike in a cert...
Analysis of Number-Pairs
To identify the odd one out among the given number-pairs, we analyze the relationship between the numbers in each pair.
Pairs of Numbers
- a) 25 : 50
- Here, 50 is double of 25 (25 × 2 = 50).
- b) 36 : 63
- In this pair, 63 is not a direct multiple or a simple arithmetic function of 36. (36 × 1.75 = 63, which is not a whole number).
- c) 9 : 26
- In this case, 26 is obtained by applying a specific operation: 9 × 3 - 1 = 26.
- d) 49 : 82
- Here, 82 can be calculated as: 49 × 2 - 16 = 82.
Identifying the Odd One Out
- The first, third, and fourth pairs can be derived through multiplication and a subsequent operation:
- 25 to 50: straightforward doubling.
- 9 to 26: involves multiplication and subtraction.
- 49 to 82: involves multiplication and subtraction.
- However, 36 to 63 does not follow a simple arithmetic pattern that aligns with the others.
Conclusion
Thus, the odd one out is b) 36 : 63, as it does not fit the consistent pattern observed in the other pairs, making it the correct answer.
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Community Answer
Direction:Three of the following four number-pairs are alike in a cert...
Option (b) is correct.
Second number is opposite of first number.
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Direction:Three of the following four number-pairs are alike in a certain way and one is different. (SSC Sub. Ins. 2018)Find the odd one out.a)25 : 50b)36 : 63c)9 : 26d)49 : 82Correct answer is option 'B'. Can you explain this answer?
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