Finding the amount paid in cash
Payment done in cash is 110 of the total price of refrigerator
So,
Cash payment =110×Rs.5000=Rs.500
Finding the monthly installment amount
The amount remaining to be paid in 12 monthly installments is,
Amount remaining =5000−500=Rs.4500
Installment per month =450012=Rs.375
Hence, Shyam will have to pay Rs.375 per month for 12 months.