A man repays a loan of Rs. 3250 by paying Rs. 20 in first month and then increase the payment by Rs. 15 every month .How long will it take to clear his loan ?

A person saved Rs. 500 in the first month and increased his saving by Rs. 50 every month. What is his savings at the end of 5 years?

A man starts repaying a loan as first installment of Rs. 100 If he increases the installment by Rs. 5 every month , what amount he will pay in the 30 th installment ?

Ramkali saved Rs.5 in the first week of a year and then increased her weekly savings by Rs. 1.75. If in the n^(th) week, her weekly savings become Rs. 20.75, find n.

A person deposits Rs 1000 in the first month. Then every month he increases the monthly deposit by Rs 60. Use the principle of progression and calculate his total investment at the end of two years.

A man saves Rs. 32 during the first year , Rs. 36 in the next year and Rs. 40 in the third year . If he continues his savings in this sequence , in how many years will he save Rs. 2000 ?

Suppose a company needs a computer for some period of time. The company can either hire a computer for Rs. 2,000 per month or buy one for Rs 25,000. If the company has to use the computer for a long period, the company will pay such a high rent, that buying a computer has to use the computer will be cheaper. Find the number of months beyond which it will be cheaper to buy a computer.

From the pair of linear equations for the following problems and find their solution by substitution method. The taxi charge in a city consist of a fixed charge together with the charge for the distance covered. For a distance of 10 km, the charge paid is Rs. 105 and for a journey of 15 km, the charge paid is Rs. 155. What are the fixed charges and the charge per km ? How much does a person have to pay for travelling a distance of 25 km ?

A cottage industry manufactures pedestal lamps and wooden shades, each requiring the use of a grinding cutting machine and a sprayer . It takes 2 h on grinding cutting machine and 3 h on the sprayer to manufacture a pedestal lamp . It takes 1 h on the grinding cutting machine and 2 h on the sprayer to manufacture a shade . On any day, the sprayer is available for at the most 20 h and the grinding cutting machine for at the most 12 h . The profit from the sale of a lamp is Rs 5 and that from a shade is Rs 3 . Assuming that the manufacture can sell all the lamps and should he schedule his daily production in order to miximize his profit ?