Question

Which of the following lists is not in order from smallest to largest?

Answer 1

ANSWER

Option B

2.33, 1.87, 3.6, 7.1

EXPLANATION

To solve this, we will treat each option separately and put them in fraction form and compare the numerators:

OPTION A

$\begin{gathered} 10.1,\text{ 10.5, 11.2, 11.9} \\ \Rightarrow\text{ }\frac{101}{10},\text{ }\frac{105}{10},\text{ }\frac{112}{10},\frac{119}{10} \end{gathered}$

We see that the numerators are arranged from smallest to largest

OPTION B

$\begin{gathered} 2.33,1.87,3.6,7.1\text{ } \\ \Rightarrow\text{ }\frac{233}{100},\text{ }\frac{187}{100},\text{ }\frac{360}{100},\text{ }\frac{710}{100} \end{gathered}$

As we can see, 187 is less than 233 and so this option is not arranged in order of smallest to largest

NOTE: Since we have found the answer, we don't need to proceed