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Q.

If 7:x::35:45, then among the following choices, the value of Question Image is


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a

15

b

11

c

9

d

5 

answer is C.

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Detailed Solution

Given that the numbers 7:x::35:45 are in proportion.
We have to find the value of x.
Apply formula in the given equation,
a×d=b×c
Substitute the known values within the formula,
7×45=x×35
35 x = 315
x=31535
x = 9
The value of x is 9.
Hence option 3) is correct
 
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