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NIELIT 2019 Feb Scientist D - Section D: 27

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ANSWER: D

5 spiders = 5 flies = 5 minutes

1 spider = 1 fly = 5 minutes

Therefore,

100 spiders = 100 flies = 5 minutes

100 spiders = 100 × 2 flies = 5 × 2 minutes

∴ 100 spiders = 100 × 20 flies = 5 × 20 minutes

= 100 spiders = 2000 flies = 100 minutes
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