Question

Ram sold two bicycles, each for rs.2700. If he made 10% profit on the first and 10% loss on the second, what is the total cost of both bicycles?

Answer 1

He sold two bicycles - cycle 1 and cycle 2
for the cp of cycle 1 = 100/110×990
so the CP of cycle 1 = Rs900

for cycle 2 = 100/90×990 
so the CP of cycle 2= 1100

Answer 2

SP of first cycle = ₹990

Profit % = 10 %

CP of first cycle = SP×100/100+Profit %

= 990×100/100+10

= 99,000/110

= ₹900

SP of second watch = ₹990

Loss % = 10 %

CP of second cycle = SP×100/100-Loss %

= 990×100/100-10

= 99,000/90

= ₹1,100

Total CP of both the cycles = ₹(900+1,100)
= ₹2,000

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