Mahabir Singh Solutions for Chapter: Arithmetic Progressions, Exercise 2: EVERYDAY MATHEMATICS

The production of TV in factory increases uniformly by a fixed number every year. It produced $8000$ sets in $6^{th}$ year and $11300$ in $9^{th}$ year. Find the production in the $6$ years.

Deepak repays his total loan of $₹\mathrm{1,18,000}$ by paying every month starting with the first instalment of $₹1000$. If he increases the instalment by $₹100$ every month. What amount will be paid as the last instalment of loan?

A manufacturer of laptop produced 6000 units in $3^{rd}$ year and $7000$ units in the $7^{th}$ year. Assuming that production increases uniformly by a fixed number every year, find production in $5^{th}$ year.

Raghav buys a shop for $₹12000$. He pays half of the amount in cash and agrees to pay the balance in $12$ annual instalments of $₹5000$ each. If the rate of interest is $12\%$ and he pays the interest due on the unpaid amount with the instalment. Find the total cost of the shop.

There are 25 trees at equal distance of $5 \mathrm{metres}$ in a line with a well, the distance of the well from the nearest tree being $10 \mathrm{metre}$. A gardener waters all the trees separately starting from the well and he returns to the well after watering each tree to get water for the next. Find the total distance the gardner will cover in order to water all the trees.