1:9 :: 9: x. Find the value of x.
IJNV 1998]
(1) 80
(2) 81
(3) 84
(4) 85
Answers
Answered by
3
The correct answer is 81.
1 / 9 = 9 / x
x = 81
Answered by
0
product of external = product of means
1×x=9×9
x=81
your answer is 81
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