Questions

In a community jungle, there are 20000 tall trees. Due to energy scarcity, the consumers cut down 8% of trees,

1. Find the number of trees in 2 years.
2. How many trees are cut in 2 years?
3. Can you find an alternative way to solve such problems?
    

Jayaprakash bought a bus at Rs. 1000000. He earned Rs. 400000 in 3 years from this and sold it at a price which is depreciated rate of 20% p.a.,

1. Find the selling price of the bus.
2. Find his total earnings.
3. What is his profit or loss?

Purba bought a tractor at Rs. 720000. He earned Rs. 220000 in 3 years from this and earned a price which is depreciated rate of 10%p.a.,

1. Find the selling price of the tractor.
2. What is his profit or loss?
3. Find his total earnings.

3 years ago, Keshav bought 8 ropani of land and Rs. 400000. Due to the earthquake in the country the price of the land is depreciated. If the price of the land is depreciated 10% per annum,

1. Find the price of 1 ropani land.
2. What is the price of the land per ropani?
3. How much loss is made by Keshav in 3 years per ropani?

3 years ago, Bharat bought 5 ropani of land at Rs. 280000. Due to the political instability of the country, the price of the land is depreciated. If the price of the land is depreciated 5% p.a.,

1. Find the price of 1 ropani land.
2. What is the price of the land per ropani? 
3. How much loss is made by Bharat in 3 years per ropani? 

The share value of a finance company depreciates by 20% continually until 2 years so that Bimala sold some shares at Rs. 4096.

1. Find the value of shares before 2 years.
2. How many shares of Rs. 100 were sold by her?
3. Find her profit or loss percent in this transaction.

The share value of a finance company depreciates by 10% continually until 2 years so that Januka sold some shares at Rs. 4860.

1. Find the value of shares before 2 years.
2. How many shares of Rs. 100 were sold by her?
3. Find her profit or loss percent in this transaction.

A factory declared to cut off its 20% workers every year due to the bad status of the market. There are 5120 workers recently working in the factory.

1. How many workers were there in the factory before 3 years?
2. How many workers were cut off in 3 years?
3. Find the ratio of the number of workers cut of in 3 years to the number of workers recently working in the factory.

A company declared to cut off its 10% workers every year due to the low demand in the market. There are 5832 workers recently working in the company.

1. How many workers were there in the company before 3 years?
2. How many workers were cut off in 3 years?
3. Find the ratio of number of workers cut off in 3 years to the number of workers recently working in the company.

The cost of the TV was quoted Rs 17000 at the beginning of the year 2005. At the beginning of the year 2006, the price was hiked by 5%. Because of the decrease in demand, the cost was reduced by 4% at the beginning of the year 2007.

1. What was the cost of the TV in 2007?
2. Find the depreciation amount.
3. Find the overall increment or depreciation rate of the cost of the TV in 2 years.