Answered
Sale price of first computer = Rs 24000
gain = 20%
So cost of first computer = 100/120 x 24000 = Rs 20,000
Sale price of second computer = Rs 24000
Loss 20%
So cost of second computer = 100/80 x 24000 = Rs 30,000
Total cost = Rs 50,000
Total sale value = Rs 48000
Loss = Rs 2000
Loss % = 2000/50000 x100= 4 % LOSS ANSWER