Lesson 2 of 7 · Combination charts

Ratio

DI: Mixed / Combination · for IPMAT Indore, IPMAT Rohtak and JIPMAT

Worked examples

Example 4Typical

Publisher A has 12% of the books with 35% prose; B has 15% with 25% prose; A's prose exceeds B's by 27. Total books?

Example 3Easy

Arts students in IIM Jammu are 8% of the college = 64; marketing is 60%. Marketing students?

$\text{Revenue ratio } r_2 : r_4 \Rightarrow \text{vehicle ratio} = \dfrac{r_2}{180} : \dfrac{r_4}{240}$

$\text{Part from ratio } a:b = \text{total} \times \dfrac{a}{a+b}$

Picked from the Combination charts note for this micro-concept automatically. The whole note: Combination charts.