Question

16.
What is the value of 'X', if 400 : 8000 = 1: X?
a) 18
c)20

b) 19
d) 22​

Answer 1

given that

$\frac{400}{8000} = \frac{1}{x}$

then ,

$\frac{1}{20} = \frac{1}{x}$

$x = 20$

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Answer 2

To find the value of x first simplify the LHS

It is given 400:8000

ie 400/8000 which is equal to 1/20 or 1:20

Therefore the answer is c)20

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