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Out of 9 persons, 8 persons spent Rs ...

Out of 9 persons, 8 persons spent Rs 30 each for their meals. The ninth one spent Rs 20 more than the average expenditure of all the nine. The total money spent by all of them was (a) Rs 260 (b) Rs 290 (c) Rs 292.50 (d) Rs 400.50

A

Rs . 260

B

Rs . 290

C

Rs . 292 .50

D

Rs . 400 . 50

Text Solution

Verified by Experts

The correct Answer is:
C
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S CHAND IIT JEE FOUNDATION-AVERAGE -QUESTION BANK -16
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  8. Of the four numbers whose average is 60 , the first is (1)/(4) th ...

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  9. Four years ago the average age of A ,B and C was 25 years .Five yea...

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  10. Out of three numbers , the first is twice the second and is half of t...

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  11. The average marks in Mathematics for 5 students was found to be 50 . ...

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  12. If the arithmetic mean of seventy-five numbers is calculated, it is...

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  13. The average of 6 numbers is 30 . If the average of the first four i...

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  14. The average of 11 numbers is 32 .If the average of the first six nu...

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

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  16. Out of 9 persons, 8 persons spent Rs 30 each for their meals. The n...

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  17. Average age of 6 sons of a family is 8 years. Average age of sons toge...

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  18. The average age of students of a class is 15.8 years. The average a...

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  19. The average expenditure of a man for the first five months of a yea...

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  20. The average monthly salary of the workers in a work shop is Rs . 8500...

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