Questions

The present price of a motorcycle is Rs 140000. If it depreciates at 7% per year, 

1. What will be the price of the motorcycle after 2 years?
2. Find the amount of depreciation.

The present population of a city is 500000. If the population of the city increases in the first year by 2% and then 4% and 8% respectively in continuous 3 years,

1. Find the population of the city after 2 years.
2. What will be the population of the city after 3 years?
3. Find the increased population in the last one year.

The present population of a city is 200000. If the population of the city increases in the first year by 2% and then 4% and 5% respectively in continuous 3 years,

1. Find the population of the city after 2 years.
2. What will be the population of the city after 3 years? 
3. Find the increased population in the last one year. 
    

The growth of curd-clotting bacteria is 4% per hour. If the number of bacteria in the 8 am morning is $\rm 9.15 x 10^{11}$,

1. What was the number before 3 hours?
2. Find the number of bacteria at 10 am morning.
3. Find the growth number of bacteria in between 5 am to 8 am. 

The growth of curd-clotting bacteria is 5% per hour. If the number of bacteria at the 7 pm evening is $\rm 1.012 × 10^{12}$.

1. What was the number before 4 hours?
2. Find the number of bacteria at 9 pm night.
3. Find the growth number of bacteria in between 4 pm to 7 pm.
    

3 years ago, a district had a population of 187500 and an annual population growth rate of 2% If at the end of the second year, 2960 people migrated in and 1375 people died due to the epidemic disease, 

1. Find the population of the district at the end of the second year.
2. Find the present population of the district.
3. Find the increased population in the last 3 years.

The population of a town 2 years ago was 31250. The population growth rate of the town is 6%. One year ago, 625 people migrated to the village.

1.  Find the natural population growth after 1 year. 
2. Find the population after 1 year.
3. Find the present population. 
    

Two years ago, the population of a village was 4000. During the first year, it is increased by 4% but due to an epidemic, it is decreased by 2% in the following year.

1. Find the population of the village at the end of the first year.
2. What is the population of the village now?
3. If 23 people migrated at the beginning of this year, find the population of the village after 2 years at the rate of 10% p.a. Compound growth.

Two years ago, the population of a village was 5000. During the first year, it is increased by 7% but due to an epidemic, it is decreased by 6% in the following year.

1. Find the population of the village at the end of the first year.
2. What is the population of the village now?
3. If 29 people migrated out at the beginning of this year, find the population of the village after 2 years at 10% p.a. Compound growth. 
    

3 years ago, the population of a village was 25000. The rate of population growth is 3%. One year ago, 522 people died of epidemic disease, 

1. Find the population before one year.
2. What is the present population of the village? 
3. If 3220 people migrated at the beginning of this year, then what will be the population of the village after 2 years at the same growth rate?