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Arithmetic Ability
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Q.
The third proportional to 9 and 12 is ?
A.
14
B.
16
C.
18
D.
20
View Answer
Correct choice: B
Explanation:
Let the third proportion to 9 & 12 be 'x'. => 9:12 = 12 :p => p = 12x12/9 = 16.
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