Question

DIRECTION for the question: In the following question, five numbers are given. Out of these, four are alike in a certain way, but the rest one is different. Choose the one which is different from the other four. (a) 6 (b) 12 (c) 18 (d) 9 (e) 7

• A. 6
• B. 12
• C. 18
• D. 9
• E. 7

Hint:

Check divisibility patterns (2,3,5,7) in odd number questions.

Answer 1

Answer: (E)

Step 1: Understanding the Concept:
Check the properties of the numbers: Even/Odd, Prime/Composite, or Multiples of a common factor.
Step 2: Detailed Explanation:
- 6, 12, 18, and 9 are all multiples of 3. - 6, 12, 18, and 9 are all composite numbers.
Step 3: Calculation:
- 7 is a prime number. - 7 is not a multiple of 3.
Step 4: Final Answer:
The number 7 is the odd one out. Thus, the correct option is (e).