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_____________?

Related Mcqs:

1. 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?

   A. 46
   B. 56
   C. 34
   D. 57

2. The sum of five numbers is 655. The average of the first two numbers is 85 and the third number is 125. Find the average of the two numbers?

   A. 180
   B. 170
   C. 190
   D. 175

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. 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

5. The average of 1st 3 of 4 numbers is 16 and of the last 3 are 15. If the sum of the first and the last number is 13. What is the last numbers?

   A. 8
   B. 6
   C. 5
   D. 2

6. The average of five consecutive odd numbers is 61. What is the difference between the highest and lowest numbers?

   A. 2
   B. 5
   C. 8
   D. Cannot be determined

7. 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

8. The L.C.M of two numbers is 48. The numbers are in the ratio 2:3. The sum of numbers is__________?

   A. 28
   B. 32
   C. 40
   D. 64

9. The H.C.F and L.C.M of two numbers are 84 and 21 respectively. If the ratio of the two numbers is 1:4, then the larger of the two numbers is____________?

   A. 12
   B. 48
   C. 84
   D. 108

10. If the sum of two numbers is 55 and the H.C.F and L.C.M of these numbers are 5 and 120 respectively, then the sum of the reciprocal of the numbers is equal to___________?

    A. 55/601
    B. 601/55
    C. 11/120
    D. 120/11