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Question

Suppose a=23b,b=23c and c=23d, what would be the value of b as a fraction of d ?

A
23
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B
43
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C
49
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D
827
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Solution

The correct option is C 49
According to the question,
c=23d and b=23c -equation1

d=32c -equation2

and from eqaution1 c=32b -equation3

from the eqaution 2 and 3

d=3×32×2b=94b

b=49d

hence b is the fraction of d is 49

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