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Q.

If 27, 36, 'x' are in continued proportion, then the value of 'x' from the following choice is:

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a

56 

b

48

c

40

d

42

answer is C.

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Detailed Solution

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It is given that the numbers 27, 36, x are in continued proportion.

We have to find the value of x.

Apply condition for continued proportionality,

a:b::b:c

ab=bc

Substitute the known values within the formula

2736=36x

x=36×3627

By solving the above equation,

x=12×4

x=48

Therefore, the value of 'x' is 48.

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