The average of 11 results is 50, if the average of first six results is 49 and that of the last six is 52. Find the sixth result?

Related Mcqs:

1. The average of 11 numbers is 10.9. If the average of first six is 10.5 and that of the last six is 11.4 the sixth number is_____________?

   A. 11.0
   B. 11.3
   C. 11.4
   D. 11.5

   Updated by: Ali Asghar

2. Three years ago the average age of a family of six members was 19 years. A boy have been born, the average age of the family is the same today. What is the age of the boy?

   A. 1 year
   B. 1.5 years
   C. 2 years
   D. 2.5 years

3. In a series of six consecutive even numbers, the sum of the second and sixth numbers is 24. What is the fourth number?

   A. 8
   B. 12
   C. 6
   D. 14
   E. None of these

4. The average runs scored by a batsman in 20 matches is 40. In the next 10 matches the batsman scored an average of 13 runs. Find his average in all the 30 matches?

   A. 31
   B. 29
   C. 28
   D. 30

5. The average age of seven persons sitting in a row facing east is 28 years. If the average age of the first three persons is 21 years and the average age of the last three persons is 34 years, then find the age of the person sitting in the middle of the row?

   A. 30 Years
   B. 31 years
   C. 26 years
   D. 33 years

6. The average mark of the students of a class in a particular exam is 80. If 5 students whose average mark in that exam is 40 are excluded, the average mark of the remaining will be 90. Find the number of students who wrote the exam.

   A. 20
   B. 15
   C. 25
   D. 35

7. The average height of 50 pupils in a class is 150 cm. Five of them whose height is 146 cm, leave the class and five others whose average height is 156 cm, join. The new average height of the pupils of the class (in cm) is __________ .

   A. 149
   B. 151
   C. 152
   D. 153

8. A cricketer has a certain average for 10 innings. In the eleventh inning, he scored 108 runs, there by increasing his average by 6 runs. His new average is_____________?

   A. 48 runs
   B. 52 runs
   C. 55 runs
   D. 60 runs

9. The average of women and child workers in a factory was 15%yr. The average age of all the 16 children was 8yr and average age of women workers was 22 yrs if ten women workers were married then the number of unmarried women workers were________?

   A. 16
   B. 12
   C. 8
   D. 6

10. The average salary of all the workers in a workshop is Rs. 8000. The average salary of 7 technicians is Rs. 12000 and the average salary of the rest is Rs. 6000. The total number of workers in the workshop is__________________?

    A. 20
    B. 21
    C. 22
    D. 23