Mohan bought two fans for Rs 3605. he sold one at profit of 15% and other at a loss of 9%.if sp of both fans is equal,find the cp of each fan.
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SP1 when sold at profit of 15%
SP = CP + 15% of CP
SP = CP + 15/100 * CP
SP = 115/100 * CP
SP2 when sold at loss of 9%
SP = CP - 9% of CP
SP = 91/100 * CP
SP1 = SP2
115/100 * CP1 = 91/100 * CP2
(CP 1) / (CP 2) = 91/115
So CP is in the ratio of 91:115
CP 1 = 91/206 * 3605
CP1 = 91 * 17.5 = 1592.5
CP 2 = 3605 - 1592.5
CP 2 = 2012.5
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