विविध प्रश्न 103
- यदि $a: b=4: 5$ और $b: c=10: 9$,
तब $\frac{a+c}{c}=$ ?
1
2
2.5
3
5
(IBPS Bank PO MT CWE Prelim Exam, 04.12.2021)
Show Answer
सही उत्तर: 103. (2)
हल: 103. (2) $a: b=4: 5 ; $
$\mathrm{b}: \mathrm{c}=10: 9$
$\therefore \frac{a}{b} \times \frac{b}{c}=\frac{4}{5} \times \frac{10}{9} \Rightarrow \frac{a}{c}=\frac{8}{9}$
$\Rightarrow \frac{a}{c}+1=\frac{8}{9}+1$
$\Rightarrow \frac{a+c}{c}=\frac{8+9}{9}=\frac{17}{9}$
BETA
