Priya earned ₹15,000 in the first month. Therefore her salary inceased by ₹1500 per year. Her expenses are ₹13,000 during the first year and the expenses inceases by ₹900 per year. How long will it take for her to save ₹20,000 per month.

A man repays a loan of ₹65,000 by paying ₹400 in the first month and then inceasing the payment by ₹300 every month. How long will it take for him to clear the loan?

A man repays an amount of Rs.3250 by paying Rs.20 in the first month and then increases the payment by Rs.15 per month. How long will it take him to clear the amount?

Mr. Ajay Sharma borrows ₹3,25,000. He paid ₹30,500 in the first month and then each instanllment becing less than the preceding installment by ₹1500. How long will it take to clear his loan?

The income of a person is Rs. 3,00,000 in the first year and he receives an increases of Rs. 10,000 to his income per year for the next 19 years. Find the total amount he received in 20 years.

A trust fund has Rs. 30,000 that must be invested in two different types of bonds. The first bond pays 5% interest per year, and the second bond pays 7% interest per year. Using matrix multiplication, determine how to divide Rs. 30,000 among the two types of bonds. If the trust fund must obtain an annual total interest of: (a) Rs. 1800 (b) Rs. 2000

Mrs. Hinduja's age is 50 years. Last year her taxable income was rs 16,30,000. How mauch income tax she has to pay ?