Class 7 Exam > Class 7 Questions > Directions: Find the odd one out.3, 7, 15, 27...
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Directions: Find the odd one out.
3, 7, 15, 27, 63, 127, 255
- a)7
- b)15
- c)27
- d)63
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
Directions: Find the odd one out.3, 7, 15, 27, 63, 127, 255a)7b)15c)27...
Go on multiplying the number by 2 and adding 1 to it to get the next number.
So, 27 is wrong.
So, 27 is wrong.
Most Upvoted Answer
Directions: Find the odd one out.3, 7, 15, 27, 63, 127, 255a)7b)15c)27...
Odd One Out Explanation:
1. 3
2. 7
3. 15
4. 27
5. 63
6. 127
7. 255
Identifying the Odd One Out:
- The pattern in the given numbers is not immediately obvious, but we can see that each number is roughly double the previous one, with some variations.
- 3 x 2 = 6
- 7 x 2 = 14
- 15 x 2 = 30
- 27 x 2 = 54
- 63 x 2 = 126
- 127 x 2 = 254
- 255 x 2 = 510
Explanation:
- All numbers in the sequence follow the pattern of being roughly double the previous number, except for 27.
- 27 is the odd one out as it breaks the pattern of being double the previous number in the sequence.
- Therefore, the odd one out in the given sequence is 27.
1. 3
2. 7
3. 15
4. 27
5. 63
6. 127
7. 255
Identifying the Odd One Out:
- The pattern in the given numbers is not immediately obvious, but we can see that each number is roughly double the previous one, with some variations.
- 3 x 2 = 6
- 7 x 2 = 14
- 15 x 2 = 30
- 27 x 2 = 54
- 63 x 2 = 126
- 127 x 2 = 254
- 255 x 2 = 510
Explanation:
- All numbers in the sequence follow the pattern of being roughly double the previous number, except for 27.
- 27 is the odd one out as it breaks the pattern of being double the previous number in the sequence.
- Therefore, the odd one out in the given sequence is 27.
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Community Answer
Directions: Find the odd one out.3, 7, 15, 27, 63, 127, 255a)7b)15c)27...
Answer ( D ) 63
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Directions: Find the odd one out.3, 7, 15, 27, 63, 127, 255a)7b)15c)27d)63Correct answer is option 'C'. Can you explain this answer?
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