(i) Given CP = Rs. 1200, SP = Rs. 1350
Clearly CP < SP. So, profit.
Profit = SP – CP
= Rs. (1350 – 1200)
= Rs. 150
(ii) Given CP = Rs. 980, SP = Rs. 940
Clearly CP > SP. So, loss.
Loss = CP – SP
= Rs. (980 – 940)
= Rs. 40
(iii) CP = Rs. 720, SP =?, profit = Rs. 55.50
Profit = SP – CP
55.50 = SP – 720
SP = (55.50 + 720)
= Rs. 775.50
(iv) CP =?, SP = Rs. 1254, loss = Rs. 32
Loss = CP – SP
32 = CP – 1254
CP = (1254 + 32)
= Rs. 1286