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The average of a non-zero number, its sq...

The average of a non-zero number, its square and its cube is 127 times the number. The number is ?

A

18

B

19

C

20

D

21

Text Solution

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The correct Answer is:
B
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GAGAN PRATAP -AVERAGE-Multiple Choice Questions
  1. The side of a square exceeds the side of another square by 4cm and the...

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  2. Of the three numbers, the average of the first and the second is great...

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  3. The average of a non-zero number, its square and its cube is 127 times...

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  4. The average of x, y and z is 45. x is as much more than the average as...

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  5. Out of four numbers the average of the first three is 26 and that of t...

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  6. A student finds the average of ten 2-digits numbers. While copying num...

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  7. In a class of 180 students, 45% are girls and the remaining are boys. ...

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  8. In a class of 60 students, 40% are girls. The average weight of the wh...

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  9. The average height of 5 boys is 175 cm. A sixth boy joined the group a...

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  10. The weight of 9 members out of 22 are measured consecutively and their...

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  11. A library lias an average of 265 visitors on Sundays and 130 visitors ...

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  12. In a class of 80 students, 60% participate in games and the rest do no...

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  13. The average score in Mathematics of 90 students of section A and B of ...

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  14. Given that the mean of five numbers is 28. If one of them is excluded ...

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

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  16. The average age of 25 men is 28 years. 5 new men of an average age of ...

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  17. The average salary of a person for the months of February, March, Apri...

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  18. The average of n numbers is 58. If each of 65% of the numbers is incre...

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  19. In AKGEC college in B.Tech.ECE branch there are three sections A, B an...

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  20. lf the average of 35 numbers is 22, the average of the first 17 number...

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