Q36) A trader claims to sell jeera at cost price but mixes freely available sand and thereby gains 25%. What is the percentage of sand in the mixture?

(a) 50/3%

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(b) 20%

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(d) 12.5%

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Solution

The correct option is B (b) 20%
Ans:36)(b)
Sol: Let 'x' is the percentage of sand mixed;
Given, C.P. = ((100-x)/100)C.P. + (25/100)((100-x)/100)C.P.
x=20;

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Q36) A trader claims to sell jeera at cost price but mixes freely available sand and thereby gains 25%. What is the percentage of sand in the mixture?

The correct option is B (b) 20% Ans:36)(b) Sol: Let 'x' is the percentage of sand mixed; Given, C.P. = ((100-x)/100)C.P. + (25/100)((100-x)/100)C.P. x=20;

The correct option is B (b) 20%
Ans:36)(b)
Sol: Let 'x' is the percentage of sand mixed;
Given, C.P. = ((100-x)/100)C.P. + (25/100)((100-x)/100)C.P.
x=20;