ravish bought 100 articles for rs. 4000.he sold 20 of them at a gain of 5%. at what gain per cent must he sell the remaining articles so as to gain 20% on the whole?
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Thanks for asking the question.
According to the statement,
CP of 100 articles= 4000
P%= 20%
SP= 120% of 4000= 120*4000/100= 4800
CP of 20 articles= 800
P%=5%
SP= 105% of 800= 840
SP of 80 articles= 4800-840= 3960
CP of 80 pens= 3200
P= 3960-3200= 760
P%= P/CP*100= 760*100/3200= 23.75%
Gain percent= 23.75%
Hope it helps.
According to the statement,
CP of 100 articles= 4000
P%= 20%
SP= 120% of 4000= 120*4000/100= 4800
CP of 20 articles= 800
P%=5%
SP= 105% of 800= 840
SP of 80 articles= 4800-840= 3960
CP of 80 pens= 3200
P= 3960-3200= 760
P%= P/CP*100= 760*100/3200= 23.75%
Gain percent= 23.75%
Hope it helps.
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