the s.p of 10 pencils is equal to the c.p of 11 pencils. find the gain percent
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Let the selling and cost prices be 'S' & 'C'. And 10S=11C implying (S-C)=C/10. Hence gain percent is = 100/10= 10. Gain is 10%.
mnpreet:
thnxxx dear can u solve it in detail plzzz
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Let the selling price is a and cost price is.
10A =11B
So, A-B so, b/100
So, 100/10%=10%
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