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The sum of five numbers is 555 . The ave...

The sum of five numbers is 555 . The average of first two numbers is 75 and the thrid number is 115 . What is the average of the last two numbers ?

A

145

B

290

C

265

D

150

Text Solution

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The correct Answer is:
A
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S CHAND IIT JEE FOUNDATION-AVERAGE -QUESTION BANK -16
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  6. The average age of 3 friends is 23 .Even if the age of the 4th frie...

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  9. The average of n numbers is x . When 36 is subtracted from two of t...

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

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

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

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

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

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

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

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

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

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