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Q.
If 7 spiders make 7 webs in 7 days, then 1 spider will make 1 web in how many days?
A.
1
B.
3
C.
7
D.
14
View Answer
Correct choice: C
Explanation:
Let the required number days be x. Less spiders, More days (Indirect Proportion) Less webs, Less days (Direct Proportion) Spiders 1:7} Webs 7:1}⋮⋮ 7:x => 1 * 7 * x = 7 * 1 * 7 => x= 7
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