Find missing number
10 : 99 : : 9 : ?
A. 69
B. 80
C. 97
D. 49
Answers
Answered by
9
Answer:
B. 80 is the answer.
Logic - 9^2 - 1 = 80.
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Answered by
19
Answer:
10 : 10^2-1
10 : 99
9 : 9^2-1
9 : 80
So, the answer is B)80
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