Question

the monthly income of Shobha is 144000 in the in 15 months how much she will earn in 7 months

Answer 1

1 year income = 144000/15
                        = 9600
 7 years income = 9600*7
                           = 67200

Answer 2

in 15 months sobha earns 144000
 therefore in 7 month she earns =144000/15*7=67200.(ans)