Question
Which method of plant disease management involves
eliminating or inactivating disease organisms after their establishment?Solution
Explanation: Eradication involves eliminating or inactivating disease organisms after they have established themselves.
Rahul deposited an amount ‘Q’ in a plan A and earned Rs. 300 as interest after one year. He then added Rs. 600 to the amount and re-invested the ent...
Priya invested Rs. ‘x’ at 10% p.a. simple interest and Pooja invested Rs. (x + 800) at 8% p.a. simple interest. If the total interest after 2 years ...
A sum of money doubles itself in 8 years at simple interest. In how many years will it become four times itself at the same rate of interest?
 If a sum of Rs. 6,500 is to be borrowed for 2 years at 10% per annum compounded half-yearly, find the compound amount (integer values only).
Simple interest and compound interest (compounded annually) earned on a sum at the end of 2 years at a certain rate of interest p.a. are Rs. 1100 and Rs...
- Neha deposited Rs. 3000 at (R + 6)% per annum simple interest and received Rs. 2160 as interest in 3 years. What would be the interest if she invested the ...
A certain sum of money will be doubled in 25 years at the rate of simple interest percent per annum is:
David takes a loan of Rs. 20000 from his friend Alex, which he is to return at 10% p.a. simple interest after 5 years. Alex takes...
Rs. 5000 when invested at simple interest of r% p.a. amounts to Rs. 7200 in 24 months. If the same sum had been invested for 1 year at compound interest...
A person invests Rs.15,000 in two different schemes. The first scheme offers simple interest at 10% per annum, and the second scheme offers simple inter...
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