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A library has an average of 510 visitors...

A library has an average of 510 visitors on Sunday and 240 on other days. What is average number of visitors per day in a month of 30 days beginning with a Sunday?

A

250

B

276

C

280

D

285

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The correct Answer is:
D
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MAHENDRA-AVERAGE-EXERCISE
  1. The average of first five multiples of 3 is:

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  2. A library has an average of 510 visitors on Sunday and 240 on other da...

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  3. The average of 50 numbers is 30. If two numbers are 35 and 40 then the...

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  4. The average score of a cricketer for ten matches is 38.9 runs. If the ...

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  5. Average of ten positive numbers is barx. If each numbers is increased ...

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  6. A class has two sections, in one of which there are 40 students with a...

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  7. The average of 50 numbers is 38. If the two numbers 45 and 55 are not ...

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  8. The mean of 100 observations was calculated as 40. It was found later ...

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  9. The average of six numbers is 30. If the average of first four is 25 a...

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  10. The average of 25 results is 18. The average of first twelve of them i...

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  11. Out of four numbers, the average of first three is 16 and that of the ...

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  12. Mukesh has twice as much moncy as Soham. Soham has 50% more money than...

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  13. The average of 30 students is 9 years. If the age of their teacher is ...

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  14. The average weight of 50 balls is 2 lbs. If the weight of the containe...

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  15. The average salary per month of 30 employees in a company is Rs. 4000....

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

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  17. The average of five consecutive odd numbers is 61. What is the differe...

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  18. The average marks obtained by 22 candidates in an examination are 45. ...

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  19. The average weight of 8 persons is increased by 2.5 kg. When one of th...

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  20. The questions given below consists of a question followed by three sta...

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