MCQ Practice Single Best Answer Topic: Chain Rule

Q The price of 357 mango she is rupees 1517.25 what will be the approximate price of 49 dozens of such mangos

Question ID
#5601
Subchapter
Chain Rule
Action
Choose one option below

Choose Your Answer

Click an option to check whether your answer is correct.

  • A 3000
  • B 3500
  • C 4000
  • D 2500
Correct Answer: D

Explanation

let the required price be x

more mangoes,more price (direct proportional)

357:(49×12)::1517.25:x

357x=49×12×1517.25

x=(49×12×1517.25)/357

x=2499

hence the approximate price is 2500

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