In each of the following questions, five (or four) numbers are given. Out of these four (or three) are alike in some way but rest one is different. Choose the one which is different from the other.

Options

A. 37
B. 45
C. 49
D. 65

Answer

To solve the problem of identifying the number that is different from the others among the given options, we will follow these steps:

### Step-by-Step Solution:

1. **List the Given Numbers**:
The numbers provided are 37, 45, 49, and 65.

2. **Identify the Nature of Each Number**:
- 37: This is an odd number.
- 45: This is also an odd number.
- 49: This is an odd number and is a perfect square (7 × 7 = 49).
- 65: This is an odd number.

3. **Determine the Common Characteristics**:
All the numbers (37, 45, 49, and 65) are odd numbers. However, we need to find a unique property that sets one number apart.

4. **Check for Perfect Squares**:
Among the numbers, we see that:
- 37 is not a perfect square.
- 45 is not a perfect square.
- 49 is a perfect square (7 × 7).
- 65 is not a perfect square.

5. **Identify the Odd One Out**:
Since 49 is the only number that is a perfect square, it is different from the others. Therefore, the answer is 49.

### Conclusion:
The number that is different from the others is **49** because it is the only perfect square among the given options.

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