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The average of a number and its reciproc...

The average of a number and its reciprocal is 4. The average of its cube and its reciprocal is equal to:
किसी संख्या तथा उसके पारस्परिक ( reciprocal) का औसत 4 है | इसके घन और और उसके पारस्परिक का औसत किसके बराबर होगा ?

A

256

B

142

C

288

D

244

Text Solution

Verified by Experts

The correct Answer is:
D
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The sum of a number and its reciprocal is 17/4. Find the number.

The ratio of square of a number and the reciprocal of its cube is 243/16807 . What is the number? किसी संख्या के वर्ग तथा इसके घन के पारस्परिक ( reciprocal ) का अनुपात 243/16807 है| यह संख्या कौन सी है?

The sum of a number and its reciprocal is 17/4 . Find the numbers. एक संख्या और उसकी परस्पर संख्या का जोड़ 17/4 है| संख्या का मान ज्ञात कीजिये |

The average of a and b is 10, average of b and c is 12 and average of c and a is 15. Find the average of a, b and c. a तथा b का औसत 10 है, b तथा c का औसत 12 है और c तथा a का औसत 15 है | a, b और c का औसत कितना है ?

The average of a and b is 36. The average of b and c is 42. The difference between c and a is : a तथा b का औसत 36 है | b तथा c का औसत 42 है| c और a के बीच का अंतर है ?

The average of two numbers A and B is 20, that of B and C is 19 and of C and A it is 21. What is the value of A? दो संख्याओं A तथा B का औसत 20, B तथा C का औसत 19 और C तथा A का औसत 21 है। A का मान क्या है?

GAGAN PRATAP -AVERAGE-Multiple Choice Questions
  1. The average of 126 numbers is 951. If each number is multipled by 0.2 ...

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  2. If the average of x and 1/x(x ne 0) is M, then the average of x^2 and ...

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  3. The average of a number and its reciprocal is 4. The average of its cu...

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  4. If a, b. c, d, e are five consecutive odd numbers, their average is:

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  5. a,b,c,d,e,f,g are consecutive even numbers. J, k, I, m, n are consecut...

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  6. The average of 7 consecutive natural numbers is K. The next three natu...

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  7. The average of five consecutive even numbers is M. If the next five ev...

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  8. The average of four consecutive even numbers is 27. By adding which nu...

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  9. The average of 5 consecutive odd numbers is 75. By adding which number...

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  10. The average of four consecutive odd natural numbers is eight less than...

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  11. The average of 35 consecutive natural numbers is N. Dropping the first...

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  12. The sum of 17 consecutive numbers is 289. The sum of another 10 consec...

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  13. Average of n numbers is a. The first number is Increased by 2, second ...

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  14. The average of 27 numbers is zero. Out of them, how many may be greate...

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  15. The average of 1088 real numbers is zero. At most how many of them can...

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  16. The mean of fifteen different natural numbers is 13. The maximum value...

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  17. If the arithmetic mean of 3a and 4b is greater than 50, and a is twice...

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  18. The average of three numbers a, b and c is 2 more than c. The average ...

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  19. The average monthly income (in Rs) of certain agricultural workers is ...

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  20. If A is (1)/(6) of C, and B is twice of A, and the average of A,B and ...

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