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MCQ Practice Single Best Answer Topic: Chain Rule

Q If a quarter kg of potato cost 60 paisehow many Paisa will 200 gram cost

Question ID
#5602
Subchapter
Chain Rule
Action
Choose one option below

Choose Your Answer

Click an option to check whether your answer is correct.

  • A 48 ✔ ✖
  • B 54 ✔ ✖
  • C 56 ✔ ✖
  • D 72 ✔ ✖
Correct Answer: A

Explanation

solution

le the required cost be x paise

less weight,less cost (Direct proportional)

250:200::60:x

250×x=(200×60)

x=200×60/250

x=48

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