A sells a music system to B at a profit of 20% and B sells it to C at a profit of 5%if c pays 1890 what did a pay
for it?
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Step-by-step explanation:
selling price of B =₹1890
he made a gain of 5%in it
of the cost price of B = 100/100+5*1890=₹1800
the selling price of A = the cost price of B
the cost price of A = 100/100+20*1800= ₹1500
so the cost price of A ₹1500(ANS)
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