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The average of five numbers is 306.4....

The average of five numbers is 306.4. The average of the first two numbers is 431 and the average of the last two numbers is 214.5. What is the third number? (a) 52        (b) 108        (c) 321 (d) Cannot be determined    (e) None of these

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RS AGGARWAL-AVERAGE-All Questions
  1. While calculating the average of a batsman as 36 in 100 matches tha...

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  2. The average age of seven boys sitting in a row facing North is 26 y...

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  3. The average of five numbers is 306.4. The average of the first two ...

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  4. The average marks obtained by 22 candidates in an examination is 45...

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  5. The average of 11 numbers is 10.9. If the average of the first six ...

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  6. The average temperature for the first four days of a week is 40. 2o...

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  7. The average weight of three boys A ,\ B and C is 54 1/3 kg, while ...

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  8. The average of the ages of Sumit, Krishna and Rishabh is 43 and the...

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  9. The mean temperature of Monday to Wednesday was 37oC and of Tues...

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  10. The average temperature of the town in the first four days of a mon...

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  11. The average weight of A ,\ B and C is 45 kg. If the average weig...

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  12. The average monthly income of P and Q is Rs 5050. The average mo...

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  13. Average age of ten persons learning yoga is 32 years. When the age ...

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  14. The average monthly income of a family of four earning members was ...

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  15. The average weight of a class of 24 students is 35 kg. If the weigh...

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  16. The average age of the mother and her six children is 12 years whic...

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  17. The average weight of 8 men is increased by 1.5 kg when one of the men...

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  18. There were 24 students in a class. One of them, who was 18 years ol...

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  19. The average weight of 45 students in a class is 52 kg. Five of them...

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  20. The average height of 25 boys is 1.4 m. When 5 boys leave the group...

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