A dealer professes to sell his goods at cost price, but ,9. 18 he uses a false weight and gains 6-%. For a kg he 3:47 uses a weight of (a) 953 gm (b) 960 gm (c) 940 gm (e) 936 gm 1 (d) 947 gm
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Step-by-step explanation:
Correct option is
A
940 gms
Given that: %Gain =6
47
18
=
47
300
% Gain=(
Correct weight
Correct weight-Incorrect weight
)×100
∴ For 1 kg,
⇒
47
300
=(
1
1−IW
)×100
⇒IW=1−
47
3
=
47
44
kg=940gm
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