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  1. If 7 spiders make 7 webs in 7 days, then how many days are needed for 1 spider to make 1 web?
    1. 10
    2. 7
    3. 3
    4. 4
Correct Option: B

7 spiders make 7 webs in 7 days.
∴ 1 spiders make 7 webs in 7 x 7 days.
∴ 1 spiders make 1 webs in 7 x 7 / 7 days.
∴ 1 spiders make 1 webs in 7 days.


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