Amit bought a piano and sold it to Gopal at a profit of 5%. Gopal sold it to Akshay at a loss of 25%. If Akshay paid ₹1890, then the cost price (in ₹) of the piano Amit bought isA2550B2200C2400D2150Answer: C. 2400 Read Explanation: Let Amit’s cost price = (x) Amit → Gopal (5% profit)SP1=1.05xSP_1 = 1.05xSP1=1.05xGopal → Akshay (25% loss)SP2=75% of SP1=0.75×1.05x=0.7875xSP_2 = 75\% \text{ of } SP_1 = 0.75 \times 1.05x = 0.7875xSP2=75% of SP1=0.75×1.05x=0.7875xGiven:0.7875x=18900.7875x = 18900.7875x=1890Solvex=18900.7875=2400x = \frac{1890}{0.7875} = 2400x=0.78751890=2400Final Answer: ₹2400 Read more in App