Question

Ram and Hari together can plough a field in 10 days. But Ram alone can do it in 20 days. In how many days Hari alone can do it?
PLEASE KINDLY ANSWER THIS QUESTION STEP BY STEP​

Answer 1

AnswEr :

• Ram and Hari Together = 10 days ,
• Ram alone = 20 days &
• Hari alone = ?

$\bigstar \:\underline {\sf \:According\:To\:the\:given\:Question \:\::\:}$

$:\implies \sf Hari\:=\:\dfrac{ ( Ram\:\&\:Hari)\:\times \:Ram }{Ram \:-\:( Ram \:\&\:Hari)\:}\:\\\\\\ :\implies \sf Hari\:=\:\dfrac{ ( 10)\:\times \:20 }{ 20 \:-\:( 10 )\:}\:\\\\\\ :\implies \sf Hari\:=\:\dfrac{ 10\:\times \:20 }{ 20 \:-\: 10\:}\:\\\\\\ :\implies \sf Hari\:=\:\cancel {\dfrac{ 200 }{ \:10\:}}\:\\\\\\ :\implies \pmb{ \sf Hari\:=\:20\:Days\:}$

$\therefore \:\underline {\sf Hence, \: Hari \:alone\:can \:plough\:the \:field \:in\:\pmb{\sf 20\:days\:}\:.}$