Find the odd one out: 1236 2346 4566 5686 The unit digit remains same, and the t

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Question
Find the odd one out:
Options
A. 1236
B. 2346
C. 4566
D. 5686

Correct Answer

5686

Explanation

The unit digit remains same, and the thousand place, hundredth place and tenth place changes and follow particular pattern except in 5686.

Classification problems

Search Results

1. Find the odd one out:
Options
A. 21
B. 69
C. 81
D. 83

Discuss

Correct Answer: 83

Explanation:

All are multiple of 3 except 83.

2. Find the odd one out:
Options
A. 369
B. 462
C. 761
D. 862

Discuss

Correct Answer: 761

Explanation:

761 is the only prime in the group.

3. Find the odd one out:
Options
A. 361
B. 484
C. 566
D. 529

Discuss

Correct Answer: 566

Explanation:

566 is the odd one out as the rest of the numbers are perfect squares.

4. Find the odd one out:
Options
A. 28
B. 65
C. 126
D. 215

Discuss

Correct Answer: 28

Explanation:

28 is the only number with all even digits.

5. Find the odd one out:
Options
A. 263
B. 111
C. 242
D. 551

Discuss

Correct Answer:

Explanation:

In all the numbers except 383, the middle digit is the product of the other two digits.

6. Find the odd one out:
Options
A. 11
B. 13
C. 15
D. 17

Discuss

Correct Answer: 15

Explanation:

All numbers are prime numbers except 15.

7. Find the odd one out:
Options
A. 17
B. 13
C. 23
D. 37

Discuss

Correct Answer: 23

Explanation:

All numbers are prime numbers but when we reverse the digits all except 23 remain prime numbers.

8. Find the odd one out:
Options
A. 126
B. 217
C. 345
D. 513

Discuss

Correct Answer: 345

Explanation:

All the numbers except 345 are one more than the cube of a certain number.

9. Find the odd one out:
Options
A. 143
B. 133
C. 131
D. 87

Discuss

Correct Answer: 131

Explanation:

131 is the odd one out as it is the only prime number.

10. Find the odd one out:
Options
A. 27
B. 64
C. 125
D. 144

Discuss

Correct Answer: 144

Explanation:

144 is the square of 12 whereas the rest are cube of certain numbers.

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