Question

Complete the series.
$0.5,0.55,0.65,0.8,\underset{–}{}?$

• A. $0.85$
• B. $0.9$
• C. $0.95$
• D. $1.0$

Answer 1

The correct option is D $1.0$

$\underset{+0.05}{\underset{}{0.5,0.55}},\stackrel{+0.1}{0.65},\underset{+0.15}{0.8}$
$\Rightarrow 0.8+0.2$