Question

In the following question, select the one which is different from the other three alternatives. 

Options

• 20, 16, 18

• 18, 14, 16

• 16, 12, 14

• 14, 11, 13

Answer 1

14, 11, 13

Explanation:

\[\ce{20->[-4\text{ }]16->[+2\text{ }]18}\]

\[\ce{18->[-4\text{ }]14->[+2\text{ }]16}\]

\[\ce{16->[-4\text{ }]12->[+2\text{ }]14}\]

\[\ce{14->[-3\text{ }]11->[+2\text{ }]13}\]