Question
Which pest poses a major threat to tobacco crops,
causing leaf damage by feeding on the foliage, and how is this pest managed effectively?Solution
The tobacco caterpillar is a major pest that damages leaves. Effective management includes using insecticides and pheromone traps.
The average number of books on history, polity and geography in a library is 110, and the average number of books on history and geography is 120. If th...
- The average of 30 numbers is 72. If the average of the first 12 numbers is 60 and the average of the last 19 numbers is 80, find the 12th number.
A set contains ten numbers. The average of the first six numbers is (x - 2), and the average of the last three numbers is (x + 4). The average of the en...
The average number of apples distributed among five farmers is 11. If each farmer received 1 apple more than the previous one, then find the highest num...
The average marks scored by 45 boys and 55 girls are 78 and 84 respectively. Find the average marks scored by all the students together. (Answer should ...
The ratio of the number of cats to sheep on a farm is 5:8. The total number of cats and sheep is 91. The combined weight of all t...
Average age of a class of 33 students is 14 years. Average age of the class is increased by 18 months if the age of the teacher is included. Find...
Sum of ages of 90 players is 2250 years. The average age of 30 of them is 20 years and average age of another 30 of them is 15 years. Find the average a...
The average weight of 16 people in a group is 75 kg. If the heaviest person who weighs 95 kg is replaced by a new person, and the average weight of the ...
- The average score of Neha in 5 subjects was recorded as 62. However, her marks in Science and History were mistakenly entered as 49 and 60 instead of 59 an...
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