Question

please tell me this answer in urgent 12 13 both

Answer 1

Answer is -
CP of 6 oranges = 20 (20/6=3.3)
SP of 4 oranges = 18 (18/4=4.5)
gain = 4.5-3.3=1.2
gain % =1.2/3.3*100 = 36.36...