Question

pencil,pen and excercise books in a shop are in the ratio of10:2:3 if there are 120 pencils,the number of excercise books in the shop is?​

Answer 1

Answer:

$\bf let \: pencils \: be \: 10x$

$\bf⇒pens \: = 2x$

$\bf⇒exercise \: books \: = 3x$

$\bf now$

$⇒10x = 120 \: pencils$

$\bf hence$

$⇒x = 12$

$\bf then$

$⇒\bf number \: of \: pens \: = 12$

$\bf number \: of \: exercise \: = 3x$

$= 36$

Step-by-step explanation:

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Answer 2

Answer:

$Answer$

Step-by-step explanation:

$let\:pencils\:be\:10x$

$\bf⇒pens \: = 2x$

$\bf⇒exercise \: books \: = 3x$

$\bf now$

$⇒10x = 120 \: pencils$

$\bf hence$

$⇒x = 12$

$\bf then$

$⇒\bf number \: of \: pens \: = 12$

$\bf number \: of \: exercise \: = 3x$

$=36$

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