Question
A farmer wants to optimize soil organic matter and
minimize nitrogen loss. Which practice would be most effective in achieving this balance?Solution
Cover crops enhance organic matter, prevent soil erosion, and help retain nitrogen, promoting a balance between organic matter and nitrogen retention.
'P' invests a certain amount at an annual compound interest rate of 15% for two years, earning Rs. 3870 in interest. He then reinvests the total sum she...
On what sum will the difference between the simple interest and the compound interest for 3 years at 4 percent per annum amount to Rs. 15.20?
A man invests 40% of a certain amount at a simple interest rate of 17% per annum, 60% of the remaining amount at a simple interest rate of 20% per annum...
Rs.5400 is divided into two parts such that if one part be invested at 6% and the other at 9%, the annual interest from both the investments is Rs. 435....
P invests Rs. 5,500 on compound interest at 16% p.a. (compounded semiannually) for 1 year. Find the interest earned by 'P'.
Akshay invested Rs. 1560 in two schemes P and Q in the respective ratio of 9:4. Scheme P and Q are offering simple interest at the rate of 10% per annum...
What sum of money must be given at simple interest for 3 months at 4% per annum in order to earn Rs. 240 interest?
An amount of 'P' was invested at simple interest at the rate of (R - 2)% per annum. It becomes Rs. 7,200 in 4 years and Rs. 10,800 in 8 years. What is t...
Mohit invested a certain amount at compound interest for 1 year at the rate of 20% per annum, compounded half-yearly. If the interest received by him is...
- A sum becomes Rs. 13,650 in 5 years at r% p.a. of simple interest. If the rate was (r + 3)% per annum, the same sum would grow to Rs. 14,700 in the same ti...
Relevant for Exams:
