Question

by selling 45 bananas for 160a man loses 20% how many bananas should be sell for 112 to gain 20% on the whole

Answer 1

cost of one banana=160/45=3.56
x - 20% of x = 3.56
x = 4.45
now
sp of one banana=4.45 + 4.45+20/100
sp of one banana = 5.35
atq
112/5.35
21 bananas to sell for rs112