Number of walking legs in a spider are :-

Options

A. Three pairs
B. Four pairs
C. Six pairs
D. Two pairs

Answer

To determine the number of walking legs in a spider, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Group**: Recognize that spiders belong to the class Arachnida, which is part of the phylum Arthropoda.

2. **Understand the Anatomy**: Spiders are characterized by having jointed legs.

3. **Count the Legs**: Spiders have a total of 8 legs.

4. **Determine Pairs**: Since legs are typically counted in pairs, we can divide the total number of legs by 2. Thus, 8 legs divided by 2 equals 4 pairs.

5. **Conclusion**: Therefore, the number of walking legs in a spider is 8, which corresponds to 4 pairs.

### Final Answer:
The number of walking legs in a spider is 8, or 4 pairs.

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