MAH-CET 2025 — Reasoning PYQ
MAH-CET | Reasoning | 2025Identify the odd one out:
Choose the correct answer:
- A.
2, 3, 5, 7
- B.
11, 13, 17, 19
- C.
23, 29, 31, 33
(Correct Answer) - D.
37, 41, 43, 47
23, 29, 31, 33
Explanation
1. Group (a):
All numbers in this group are Prime Numbers.
2. Group (b):
All numbers in this group are also Prime Numbers.
3. Group (c):
In this group, 23,29, and 31 are prime, but 33 is a Composite Number.
Since 33 has factors other than 1 and itself:
4. Group (d):
All numbers in this group are Prime Numbers.
Conclusion
Groups (a), (b), and (d) consist entirely of prime numbers. Group (c) is the "odd one out" because it contains the composite number 33.
Explanation
1. Group (a):
All numbers in this group are Prime Numbers.
2. Group (b):
All numbers in this group are also Prime Numbers.
3. Group (c):
In this group, 23,29, and 31 are prime, but 33 is a Composite Number.
Since 33 has factors other than 1 and itself:
4. Group (d):
All numbers in this group are Prime Numbers.
Conclusion
Groups (a), (b), and (d) consist entirely of prime numbers. Group (c) is the "odd one out" because it contains the composite number 33.

