Find the odd one out: 120 168 290 380 Each number except 380 is either one more

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

Correct Answer

380

Explanation

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

Classification problems

Search Results

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

Discuss

Correct Answer: 3781

Explanation:

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

2. 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.

3. 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.

4. 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.

5. 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.

6. 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.

7. 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.

8. 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.

9. 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.

10. Find the odd one out:
Options
A. TPOC
B. BKDF
C. OLTF
D. BILQ

Discuss

Correct Answer: OLTF

Explanation:

Except (c) in the remaining groups contain only consonants.

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