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The average of 24 numbers is 65. The ave...

The average of 24 numbers is 65. The average of first 11 numbers is 67 and the average of last 10 numbers is 70. If the 12th number is 13 less than the 13th number and the 14th number is one more than the 13th number, then the average of 12th and 14th number is:
24 संख्याओं का औसत 65 है | पहली 11 संख्याओं का औसत 67 है तथा अंतिम 10 संख्याओं का औसत 70 है| यदि 12वीं संख्या 13वीं संख्या से 13 कम है तथा 14वीं संख्या 13वीं संख्या से एक अधिक है, तो 12वीं और 14वीं संख्या का औसत ज्ञात करें |

A

39

B

36

C

26

D

42

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The average of 9 numbers is 18. If the average of first five numbers is 19 and the average of last 5 numbers is 17, find the 5th number.

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PINNACLE-AVERAGE-EXERCISE
  1. The average age of fifteen persons is 32 years. If two more persons ar...

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  2. The average of a series of 21 numbers is equal to 43. The average of t...

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  3. The average of 24 numbers is 65. The average of first 11 numbers is 67...

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  4. The average height of 12 students of a class is 132.5 cm. If one more ...

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  5. The average of 18 numbers is 52. The average of first 8 numbers is 62 ...

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  6. In a class of 45 students, 40% are girls and the remaining are boys. T...

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  7. In a class of 45 students, 40% are boys and rest are girls. The averag...

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  8. The average of 20 numbers is 65. The average of the first 9 numbers is...

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  9. The average of 16 numbers is 48. The average of the first 7 numbers is...

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  10. In a class of 50 students, 40% are girls. The average weight of the bo...

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  11. In a class of 70 students, 40% are girls and remaining are boys. The a...

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  12. The average of 22 numbers is 52. The average of the first 8 numbers is...

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  13. The average age of a cricket team of eleven players is 27 years. If tw...

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  14. The average of all prime numbers between 10 and 25 is: 10 से 25 के ब...

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  15. The average weight of 16 boys in a class is 60.25 kg and that of the r...

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  16. The average of 26 numbers is zero. Of them, how many may be greater th...

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  17. A scored 73, 76, 20 and 7 runs in four out of five innings. What shoul...

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  18. A bought 600 gm, 750 gm, 1.1 kg, 2.3 kg and 800 gm packs of dal from a...

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  19. The average weight of six children is 32.8 kg. If two more children wi...

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  20. The average of 13 numbers is 42. If a 14th number is included, then th...

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