Arithmetic Aptitudes › Chain Rule › Question #5585
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QThe price of 5.5 dozen pens is rs 1287.What is the price of 16 such pens?

ID: #5585 Chain Rule 154 views
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#5585Q ID
ModerateDifficulty
Chain RuleTopic
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  • A 212 ✔ ✖
  • B 296 ✔ ✖
  • C 312 ✔ ✖
  • D 412 ✔ ✖
Correct Answer: Option C

Explanation

5.5 dozen pens=(5.5×12)pens=66 pens .Let the cost of 16 pens be x

less pens,less cost(direct proportional)

66:16::1287:x

66x=16×1287

x=16×1287/66=312

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