What is the reciprocal ratio of 81:121?
  • a)
    8:12
  • b)
    11:9
  • c)
    9:11
  • d)
    121:81
Correct answer is option 'D'. Can you explain this answer?

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Answers

SIMRAN KAUR
Apr 12, 2020
The reciprocal ratio of a:ba:b is b:ab:a
∴ reciprocal ratio of 81:121 is 121:81.

Shiba Khan
Jan 22, 2022
The reciprocal ratio of 81:121Is reverse of a:b is b:aSo the answer is 121:81

The reciprocal ratio of a:ba:b is b:ab:a∴ reciprocal ratio of 81:121 is 121:81.
The reciprocal ratio of a:ba:b is b:ab:a∴ reciprocal ratio of 81:121 is 121:81.