Lessons

General Aptitude
13.1 Chain Rule - General Questions

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Q.

If a quarter kg of potato costs 60 paise, how many paise will 200 gm cost?

View Answer

Correct choice: A

Explanation:

Let the required weight be x kg.

Less weight, Less cost (Direct Proportion)

∴ 250 : 200 :: 60 : x   ⇔    250 x x = (200 x 60)

x= (200 x 60)
250

x = 48.

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