Question
What is the most effective cultural practice to manage
bacterial wilt in brinjal?Solution
Rotating with non-host crops reduces soil-borne bacterial populations. It breaks the disease cycle naturally. This method is economical and eco-friendly.
The average marks of 50 students in an examination was 65. It was later found that the marks of one student had been wrongly entered as 83 instead of 38...
A set contains ten numbers. The average of the first six numbers is (x − 6), and the average of the last three numbers is (x + 6). The average of the...
The total number of students in class A and B is 72. The number of students in A is 40% more than that in B. The average marks of students in B are 50% ...
The average score of a group of 50 students is 90. When the scores of 4 students—X, Y, Z, and W—are excluded, the average of the rest falls by 2. If...
The average age of 6 employees in a company rises by 2 years when a new employee’s age is added. If the sum of the initial average age of the 6 employ...
A school bought 45 benches and 55 desks. Average cost of a bench is Rs. 1,800 and that of a desk is Rs. 2,700. Find the average cost (in Rs.) of all the...
The average age of three children is 16 years. If their ages are in the ratio 1:3:4. Find the age of the youngest child.
The average of series 'S10', which consists of 6 consecutive even numbers, is 17. The second term of series 'T10', which consists of 5 consecutive odd n...
- A set of 50 observations has an average of 63. Find the new average when each observation is increased 8 times.
A set contains ten numbers. The average of the first six numbers is (x - 1), and the average of the last three numbers is (x + 6). The average of the en...
