Question

a mathematics book contains 320 pages. 40 percent of which are algebra 25 percent are geometry and the remaining are arithmetic how many pages of arithmetic are there

Answer 1

Total number of pages = 320 .

Algebra = 40 %

Geometry = 25 %


Finding Percentage of Arithmetic Pages -

40 + 25 = 65 %

100 - 65 = 35 %.

Arithmetic = 35 %.


Finding number of arithmetic pages -

320 x 35/100 = 112.


Hence :

$\bold{Arithmetic \: Pages = \: 112}$