Find the amount to be paid at the end of 3 years in each case: Principal=rs7,500 at 5%p.a.

Find the amount to be paid at the end of 3 years in each case: Principal=Rs1,200 at 12%p.a.

Find the sum to indicated number of terms in each of the geometric progressions in x^3,x^5,x^(7), .........n terms (if x ne pm 1 )

Find the sum to indicated number of terms in each of the geometric progressions in sqrt7, sqrt(21)3sqrt7 , ........n terms

Maria invested ₹8,000 in a business.She would be paid interest at 5% per annum compounded annually.Find:(i)The amount credited against her name at the end of the second year. (ii)The interest for the third year.

In a bank, principle p increases continuously at the rate of 5% per year. Find the principal in terms of time t.

In a development plan of a city, a contractor has taken a contract to construct certain houses for which he needs building materials like stones, sand etc. There are three firms A, B, C that can supply him these materials. At one time these firms A, B, C supplied him 40, 35 and 25 truck loads of stones and 10, 5 and 8 truck load of sand respectively. If the cost of one truckload of stone and sand are Rs 1200 and 500 respectively, then find the total amount paid by the contractor to each of these firms A, B, C separately.

Find the zero of the polynomial in each of the following cases. P(x)=3x

Find the zero of the polynomial in each of the following cases. P(x)=2x+5

Find the zero of the polynomial in each of the following cases. P(x)=3x-2

A sum of 1000 is invested at 8% simple interest per year. Calculate the interest at the end of each year. Do these interests form an AP? If so, find the interest at the end of 30 years.