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A dishonest dealer professes to sell his goods at cost price by using a false weight and thus gains 11 1/9%. For weighing a kilogram, he uses a weight of
- A960 gm
- B940 gm
- C920 gm
- D900 gm
Answer not set
Discussion 1
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CCommunity
Let cost of each gram = Rs. 1
Gain% = (SP – CP)/CP × 100
Hence for 1 kg we can write,
100/9 = (1000 – CP)/CP × 100
9000 – 9 CP = CP
CP = 900
∴ False weight = 900 gm.
Gain% = (SP – CP)/CP × 100
Hence for 1 kg we can write,
100/9 = (1000 – CP)/CP × 100
9000 – 9 CP = CP
CP = 900
∴ False weight = 900 gm.