Question

4/5 of a number is more than 3/4 of the number dy 4. Find the number
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Answer 1

$\huge\boxed{\fcolorbox{black}{yellow}{ \: \: Âńšwêř \: \: }}$

$\color{blue}\bold</p><p>{Let \: the \: required \: no.\: be \: x</p><p>}$

$\color{red}\bold</p><p>{A/Q \: \: \: {1}^{st} \: number } = \frac{4}{5} x \\ \color{red}\bold</p><p>{ \: \: \: \: \: {2}^{nd} \: number } = \frac{3}{4} x$

$= > \color{green}\bold</p><p>{ \frac{4}{5} x } - \frac{3}{4} x = 4$

$= > \color{brown}\bold</p><p>{ \frac{16x - 15x}{20} } = 4$

$\color{black}\bold</p><p> = > { \frac{x}{20} } = 4$

$\color{red}\bold</p><p>{ = > \: x = 4 \times 20 }$

$\color{blue}\bold</p><p>{ = > x = 80}$

${ \boxed{So \: required \: number \: = \: 80</p><p>}}</p><p>$