Answer :
Given : Alok receives Rs . 10000 per month on selling toys and spent Rs. 6000 on raw materials.
So,
Income of Alok = 10000 - 6000 = Rs . 4000
1 ) Ratio of expenditure to the income : , So
Expenditure : income = 3 : 2
2 ) Ratio of total money received to the income : , So
Total money received : income = 5 : 2
3 ) Ratio of income to the total money received : , So
Income : Total money received = 2 : 5