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

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

Options:

A . 1

B . \(\frac{7}{2}\)

C . 7

D . 49

Answer: Option C

Let the required number days be x.

Less spiders, More days (Indirect Proportion)

Less webs, Less days (Direct Proportion)

Spiders
1
:
7

If 7 Spiders Make 7 Webs In 7 Days, Then 1 Spider Will Make ...

:: 7 : x
Webs
7
:
1

1 x 7 x x = 7 x 1 x 7

x = 7.

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