Total fruit=36
Mangoes=8,, Bananas=12,, Apples= 36 – (12+8)=36 – 20 = 16
Ratio of mangoes to bananas= 8:12=2:3
Ratio of apples to mangoes= 16:8=2:1
Ratio of bananas to total number of fruits=12:36=1:3
Ratio of total number of fruits to mangoes=36:8=9:2
Ratio of apples to bananas=16:12=4:3
Hope it helps u!!.
Wish u and your a very happy and prosperous new year