Arithmetic Aptitudes › Chain Rule › Question #5619
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QThe cost of 16 packets of salt each weighing 900 grams is rupees 28 what will be the cost of 27 packets if each packet weigh 1 kilogram?

ID: #5619 Chain Rule 153 views
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#5619Q ID
DifficultDifficulty
Chain RuleTopic
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  • A 52.50 ✔ ✖
  • B 56 ✔ ✖
  • C 58.5. ✔ ✖
  • D 64.75 ✔ ✖
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Explanation

Solution

Let the required cost be x Then,

more packets,more cost (direct proportion.) More weight ,more cost (direct proportion)

packets 16:27::28:x

weight 900:1000::28:x

16×900x=27×1000×28

x=27×1000×28/16×900=105/2=52.50

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