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The second number in each of the number-pairs is obtained by performing certain mathematical operations on the first number. Three of the following four number-pairs follow the same pattern and thus form a group. Select the number-pair that does NOT belong to that group.
- a)18 : 321
- b)21 : 438
- c)17 : 286
- d)19 : 357
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The second number in each of the number-pairs is obtained by performin...
The logic followed here is:
Logic: (first number)2 - 3 = second number
1) 18 : 321
→ 182 - 3 = 324 - 3 = 3212) 21 : 438
→ 21
2
- 3 = 441 - 3 = 438
3) 17 : 286
→ 17
2
- 3 = 289 - 3 = 286
4) 19 : 357
→ 19
2
- 3 = 361 - 3 = 358
≠ 357Hence, ‘
19 : 357
’ is the odd one out. Most Upvoted Answer
The second number in each of the number-pairs is obtained by performin...
Explanation:
Pattern Analysis:
- In the number-pairs, the second number is obtained by squaring the first number and then subtracting 3.
- The pattern can be represented as: y = x^2 - 3, where x is the first number and y is the second number.
Identifying the Odd One Out:
- Let's apply the pattern to each number-pair:
- For pair (18, 321): 18^2 - 3 = 321 (satisfies the pattern)
- For pair (21, 438): 21^2 - 3 = 438 (satisfies the pattern)
- For pair (17, 286): 17^2 - 3 = 286 (satisfies the pattern)
- For pair (19, 357): 19^2 - 3 = 358 (does not satisfy the pattern)
Conclusion:
- The number-pair (19, 357) does not follow the pattern of squaring the first number and subtracting 3 to obtain the second number, making it the odd one out in the group.
Pattern Analysis:
- In the number-pairs, the second number is obtained by squaring the first number and then subtracting 3.
- The pattern can be represented as: y = x^2 - 3, where x is the first number and y is the second number.
Identifying the Odd One Out:
- Let's apply the pattern to each number-pair:
- For pair (18, 321): 18^2 - 3 = 321 (satisfies the pattern)
- For pair (21, 438): 21^2 - 3 = 438 (satisfies the pattern)
- For pair (17, 286): 17^2 - 3 = 286 (satisfies the pattern)
- For pair (19, 357): 19^2 - 3 = 358 (does not satisfy the pattern)
Conclusion:
- The number-pair (19, 357) does not follow the pattern of squaring the first number and subtracting 3 to obtain the second number, making it the odd one out in the group.
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The second number in each of the number-pairs is obtained by performing certain mathematical operations on the first number. Three of the following four number-pairs follow the same pattern and thus form a group. Select the number-pair that does NOT belong to that group.a)18 : 321b)21 : 438c)17 : 286d)19 : 357Correct answer is option 'D'. Can you explain this answer?
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The second number in each of the number-pairs is obtained by performing certain mathematical operations on the first number. Three of the following four number-pairs follow the same pattern and thus form a group. Select the number-pair that does NOT belong to that group.a)18 : 321b)21 : 438c)17 : 286d)19 : 357Correct answer is option 'D'. Can you explain this answer? for Software Development 2025 is part of Software Development preparation. The Question and answers have been prepared according to the Software Development exam syllabus. Information about The second number in each of the number-pairs is obtained by performing certain mathematical operations on the first number. Three of the following four number-pairs follow the same pattern and thus form a group. Select the number-pair that does NOT belong to that group.a)18 : 321b)21 : 438c)17 : 286d)19 : 357Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Software Development 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The second number in each of the number-pairs is obtained by performing certain mathematical operations on the first number. Three of the following four number-pairs follow the same pattern and thus form a group. Select the number-pair that does NOT belong to that group.a)18 : 321b)21 : 438c)17 : 286d)19 : 357Correct answer is option 'D'. Can you explain this answer?.
The second number in each of the number-pairs is obtained by performing certain mathematical operations on the first number. Three of the following four number-pairs follow the same pattern and thus form a group. Select the number-pair that does NOT belong to that group.a)18 : 321b)21 : 438c)17 : 286d)19 : 357Correct answer is option 'D'. Can you explain this answer? for Software Development 2025 is part of Software Development preparation. The Question and answers have been prepared according to the Software Development exam syllabus. Information about The second number in each of the number-pairs is obtained by performing certain mathematical operations on the first number. Three of the following four number-pairs follow the same pattern and thus form a group. Select the number-pair that does NOT belong to that group.a)18 : 321b)21 : 438c)17 : 286d)19 : 357Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Software Development 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The second number in each of the number-pairs is obtained by performing certain mathematical operations on the first number. Three of the following four number-pairs follow the same pattern and thus form a group. Select the number-pair that does NOT belong to that group.a)18 : 321b)21 : 438c)17 : 286d)19 : 357Correct answer is option 'D'. Can you explain this answer?.
Solutions for The second number in each of the number-pairs is obtained by performing certain mathematical operations on the first number. Three of the following four number-pairs follow the same pattern and thus form a group. Select the number-pair that does NOT belong to that group.a)18 : 321b)21 : 438c)17 : 286d)19 : 357Correct answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Software Development.
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