Question
What are the elements in group zero commonly known
as?Solution
The correct answer is B
If average of first 11 numbers is (n – 23) and the sum of remaining number is 925. Find the value of ‘n’, if the average of 25 numbers is ‘n’....
The meaning of 12 observations is 15. One more observation is included, and the new mean becomes 17. The 13th observation is.
The average age of 26 children and their teacher's age are 22 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
The average salary of 24 employees is recorded as ₹ 16,584. If the salary of an employee with value ₹14,526 was entered Wrongly as ₹ 41,238, then ...
In an examination, Aryan scored 54% marks and passed by 98 marks, while Rohit scored 35% marks and failed by 35 marks. Determine the passing marks for t...
In a school, there are 30 male students and 20 female students. The average marks of male students is 58 and that of female students is 62. Calculate th...
The average weight of 7 boxes P, Q, R, S, T, U and V is 72kg. Another box A is added to group and the average now becomes 70kg. If another box C whose ...
The average age of a class of 20 girls is 12 years. If 4 new girls having average age of 9 years join the class, then the average age of the class becomes:
3 years ago, the average age of a family of 5 members was 17 years. A baby being born, the average age of the family is 17 years. The present age of the...
The average age of 14 girls is 42 years. If the age of two more girl is added the average decreases by one and a half year. What is the sum of the age o...
