Subba Rao started his job in 1995 at a monthly salary of 5000 and received an increment of 200 each year. In which year did his salary reach 7000?

The rate of monthly salary of an office assistant is increased annually in A.P. If he was drawing Rs. 2000 a month during the 11th year and Rs.3800 a month during 29th year, find out his initial salary and rate of annual increment. Find out also his salary at the time of retirement on completion of 32 years of service.

Two posts were offered to a man. In the first one the starting salary was Rs. 120 per month and the annual increment was Rs. 8, In the second post the salary commenced at Rs. 85 per month but the annual increment was Rs. 12. The man decided to accept that post which would give him more total earnings in the first twenty years of his service. Which post was acceptable to him ? Justify your answer.

A merchant plans to sell two types of personal computers- a desktop model and a prtable model that will cost Rs. 25000 and Rs. 40000 respectively. He estimates that the total monthly demand of computers will not exceed 250 units. Determine the number of units of each type of computers which the merchant should stock to get maximum profit if he does not want to invest more than Rs. 70 lakhs and if his profit on the desktop model is Rs. 4500 and on portable model is Rs. 5000.

Two posts are offered to a man. In the first one, the starting salary is Rs. 1200 and increases annually by Rs. 80, in the second, the salary commences ar Rs. 850 and increases annually by Rs. 120. The man decides to accept the post that will give him better income in the first 16 years. Which post will he accept? Justify your answer.

In which of the following situations, does the list of numbers involved is in the form of a GP? (i) Salary of Sharmila, when her salary is 5,00,000 for the first year and expected to receive yearly increase of 10%. ii) Number of bricks needed to make each step, if the stair case has total 30 steps, provided that bottom step needs 100 bricks and each successive step needs 2 brick less than the previous step. iii) Perimeter of the each triangle, when the mid points of sides of an equilateral triangle whose side is 24 cm are joined to form another triangle, whose mid points in turn are joined to form still another triangle and the process continues indefinitely.

Sudip, Prakash and Sajal jointly started a business with capital Rs. 8000, Rs. 4000 and 2000 respectively. Sudip and Prakash both get 20% of the profit and Sudip get additional 30% as the salary. The rest of the profit is distributed among them equally. If the total profit in a year be Rs 3200, then find the profit of each of them.

The salary of a man starts at Rs. 800 and increases annually by Rs. 20 until a maximum of Rs. 1120 is reached. Find the total amount of money earned by the man when he serves (i) 15 years (ii) 22 years.

Puja, Uttam and Bireendra started a pertnership business with capital ₹ 5000, ₹ 7000 and ₹ 10000 respectively by this condition that (i) the monthly expenditure of managing the business is ₹125, (ii) Puja and uttam will gety ₹ 200 each per month for keeping the accounts upto date. If at the end of the year the total profit of the business be ₹ 6960, then find the share of profit of each of them.

A starts a business with ₨ 40,000. After 2 months, B joined him with ₨ 60,000. C joined with them after some more time with ₨ 1,20,000. At the end of the year out of a total profit of ₨ 3,7500, c gets ₨ 1,50,000 as his share. How many months after B joined the business did C join?