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If 7 spiders make 7 webs in 7 days, then 1 spider will make 1 web in how many days?

Option :

Answer:Option 1

Explanation:

Solution:
Let the required number days be x.
Less spiders, More days (Indirect Proportion)
Less webs, Less days (Direct Proportion)
Spiders1:7Webs7:1}::7:x

1×7×x=7×1×7x=7



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