Question
Which of the following is a direct method of weed
control involving the mechanical destruction or physical removal of weeds?Solution
Hand weeding is a mechanical method where weeds are manually uprooted or cut. It is labor-intensive but very effective, especially in small-scale or high-value crop systems.
A girl spent 15% of her monthly income on clothing. Of the remaining, she spent on travel and food in the ratio of 5:3. If the difference of the income ...
Rihan spends 40% of his salary, which is Rs. 1200 more than the amount he would spend if he spent 30% of his salary. What is the total salary of Rihan?
The ratio between the number of books and pencils is 6:5 and the ratio of cost of per book and pencil is 4:3 then find the percentage by which total cos...
A scored 40% marks and failed by 40 marks whereas B scored 70% marks, which was 80 more than the passing marks of the examination. Find the total marks ...
In an election between two candidates A & B 10% voters didn’t participate in voting. 700 casted votes declared invalid and the winner got 70% ...
Raj has 120 kg of apples (rotten and fresh). He sold 30% of the total apples such that out of the remaining apples, 20% are rotten. Find the percentage ...
Ajay spent 30% of his monthly income on rent and 44% of the remaining on food and the rest amount is saved by him which is Rs. 2548, then find the month...
Monthly savings of X is 50% of his monthly income which is Rs. 9000. If ratio of monthly expenditure of Y and X is 15:8 respectively and monthly savings...
- Sonia earned Rs. 29000 every month and spent Rs. 21000. In the following year, her income went up by 13% and her expenditure increased by 6%. What is the p...
A man donated 10%, 16% and 28% of his income to three NGOs ‘A’, ‘B’ and ‘C’, respectively. They spent 75%, 80% and 50% of respective sums re...