Correct option is B
Given:
Proportion: 9 : 12 :: 12 : k
Concept Used:
In a proportion , cross multiplication gives:
a × d = b × c
Solution:
9 : 12 :: 12 : k
9k = 144
k = = 16
So,
k + 1 = 16 + 1 = 17
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Question
If 9 : 12 : : 12 : k, then find the value of k + 1.
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