Question

Ahmad buys a plot of land for rs 480000. He sells 2/5 of it at a loss of 6%. At what gain percent should he sell the remaining part of the plot to gain 10% in the whole

Answer 1

X-6-6X/100=10
100X-600-6X by 100 =10
94X =1000-600
X=400/94
=4.2% gain percent