Find the value of x Given, 30%of 140 = x% of 840 ∴ 30×140/100=x×840/1000ex0ex⇒ 30×140/100×100/840=x0ex0ex⇒ x=50ex0ex ...

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n(A∪B) = n(A) + n(B) − n(A∩B)

If 30

Question

If 30% of 140 = x% of 840, then the value of x is

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Solution

Find the value of x
Given, $30 %$ of $140$ = $x %$ of $840$
$∴ 30 \times \frac{140}{100} = x \times \frac{840}{100} \Rightarrow 30 \times \frac{140}{100} \times \frac{100}{840} = x \Rightarrow x = 5$
Hence, the answer is $5$

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