Find the odd one out: 1593 3781 7359 9175 3781 is the odd one out as other numbe

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Question
Find the odd one out:
Options
A. 1593
B. 3781
C. 7359
D. 9175

Correct Answer

3781

Explanation

3781 is the odd one out as other numbers contain only odd digits.

Classification problems

Search Results

1. 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.

2. 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.

3. 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.

4. 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.

5. 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.

6. Find the odd one out:
Options
A. 120
B. 168
C. 290
D. 380

Discuss

Correct Answer: 380

Explanation:

Each number except 380 is either one more or one less than the square of a certain number.

7. Find the odd one out:
Options
A. 64
B. 169
C. 484
D. 315

Discuss

Correct Answer: 315

Explanation:

315 is the odd one out as the rest all are squares of different numbers.

8. Find the odd one out:
Options
A. 37
B. 45
C. 49
D. 65

Discuss

Correct Answer: 49

Explanation:

49 is the only perfect square; rest are just random numbers.

9. Find the odd one out:
Options
A. 29
B. 53
C. 85
D. 125

Discuss

Correct Answer: 125

Explanation:

125 is the only perfect cube; rest are random numbers.

10. Find the odd one out:
Options
A. 17
B. 27
C. 29
D. 37

Discuss

Correct Answer: 27

Explanation:

27 is the odd one out; rest are prime numbers.

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