Question
Among the following options, which weed is categorized
as a total root parasite, meaning it relies entirely on its host plant's roots for nutrients and does not photosynthesize to produce its own energy?Solution
 Orobanche cernua (Broom rape) is a total root parasite. Its host plant is tobacco.
The average age of six members of a family is 40 years. If the age of a guest is included, then the average age increases by 12.5%. What is the age (in ...
In an examination, the average marks obtained by the students is 80. After correcting the quantitative mistakes, the average of 90 students is reduced t...
The average of six numbers is 66. When two more numbers are included, the average increases by 2. Find the average of the numbers included.
The average age of a group of 10 students is 30 years. Two persons of age 40 years and 35 years, left the group and 2 persons of age 50 years and 95 yea...
The average height of 8 boys in a basketball team is 180 cm. If the tallest boy leaves, the average becomes 175 cm. Find the height of the boy who left.
- The average age of (x + 3) people in a group is 20 years. When a new member aged 43 joins, the average becomes 21. Find x% of 500.
A number is such that when it is multiplied by 3, it gives another number which is as much above from 240 as the original number (itself) is below 240. ...
There are 40 elements in a data set and their average is 75. If every element is scaled by a factor of 12, compute the new average.
A class of 30 students appeared in a test. The average score of 12 students is 80, and that of the rest is 75. What is the average score of the class?
The mean of a set of 15 numbers is 40. If the mean of the initial 5 numbers in this set is represented by the expression (12x + 10), and the mean of the...
