A dishonest shopkeeper sells pure flour at cost price but mixes with other flour which is free of cost and earns 30% profit. Find the approximate percentage of other flour in mixture. (Other flour a belongs to him)?

10%
20%
15%
23%

LohaHridoy

5 views

2025-01-04 04:42

1 Answers

AhmedNazir

Option 4 : 23%

Short trick:

Let the weight be 100 gm

Now, added weight = 30 gm

Percentage = (30/130) × 100 = 23%

Detailed solution:

Let the cost price of pure flour be Rs. 100

The cost price of other flour is Rs. 0

Then,

Profit percentage = 30%

Average cost of the mixture after profit = 76.92 = Rs. 77

Required percentage = 100 - 77 = 23%

5 views Answered 2022-09-04 04:29

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