x = 30% of z = 30z/100 = 3z/10
y = 40% of z = 40z/100 = 4z/10
According to the question,(x/y)*100 = p%
p% = 3z/100/4z/100×100= 75%
End of first year : 10000 x (3/5) = Rs. 6000
End of second year : 6000 x (3/5) = Rs. 3600
End of third year : 3600 x (3/5) = Rs. 2160
Prashanth sold a album for $ 735 and made a profit of 22.5% .
CP = 735 x 100/122.5 = Rs. 600
New CP = 600 + 120 = Rs. 720
New SP = 735 + 120 = Rs. 855.
Profit = Rs. 135.
profit % = 100 x 135/720 = 18.75%.
=> p = 12000/85 = 141.17 %
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