Question
With respect to integrated pest management the threshold
level means:Solution
The economic threshold Level (ETL) is the population density at which control measures should be determined to prevent an increasing pest population from reaching the Economic injury level.
In a team of 25 players, the average age is 26 years. One player aged 24 left and five new players with an average age of 28 years joined. When the coac...
There are three distinct numbers ‘u’, ‘v’ and ‘w’. If, u = 240, (u + v) = 540 and (w – v) = 60, then find the average of u, v and w.
...The average age of (x + 7) trainees is 17 years. When a 39-year-old trainer joins, the average becomes 18 years. Find x% of 500.
The average marks of all the students decreased by 2 when it was found that marks of one of the student were wrongly interpreted as 80 instead of 40. Fi...
The average wage of a group of 25 labourers is Rs. 470. If 4 persons receiving average wage of Rs. 350 leave the group and 2 persons receiving average w...
Average weight of each student, in a class of 70 students, is 86kg. If the ratio of number of boys and girls in the class is 4:3, respectively and avera...
The average number of books on history, polity and geography in a library is 165, and the average number of books on history and geography is 140. If th...
- The batsman has an average of 32 in 50 innings. His scores in the next 5 innings are 40, 30, 35, 45, and 50. Find his new batting average.
The average age of 12 boys in the group is 9 years. If 2 more boys join the group, the average is increased by 1 year. What is the average age (in years...
- The average of series 'S3', which consists of 6 consecutive even numbers, is 33. The second term of series 'T3', which consists of 5 consecutive odd number...
