Maths in Agriculture
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Questions and Answers

What is the purpose of applying fertilizer to the land?

To get a good crop by increasing the fertility of the land.

If the price of a factory's machinery is halved each year, what is the percentage reduction in price after 2 years?

75%

What is the formula used to calculate the decrease in soil fertility?

P = P(1 - R)T

If the fertility of the land decreases at a rate of 2% per year, what is the rate of fertility decline in decimal form?

<p>0.02</p> Signup and view all the answers

How many years will it take for the fertility of the land to decrease by 30% if the rate of fertility decline is 2% per year?

<p>17.6 years</p> Signup and view all the answers

What is the amount of fertilizer required to increase the fertility of 1 katha of land by 5%?

<p>1 kg</p> Signup and view all the answers

If 1 bigha of land is equal to 20 katha of land, how many katha of land are equivalent to 3 bigha of land?

<p>60 katha</p> Signup and view all the answers

What is the purpose of calculating the rate of decline of soil fertility?

<p>To calculate the required amount of fertilizer and reduce wastage and environmental damage.</p> Signup and view all the answers

What is the equivalent percentage of 0.7 in decimal form?

<p>70%</p> Signup and view all the answers

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