20%in fraction

18:4::36:16::27:?

Language changed

15-15=62 30-26=122 33-19=?

15/15= 62 30/26=122 33/19 ? Answer

9:11 :: 29:21 :: 39: ?

24,40,64,104,?312

How to joining ssc gd

9:11::29:21::37:?

PST : 01:: NPR : ?