Choose the odd word.
Find the missing term: 1, 3, 6, 10, ?
Find the odd one out.
Which number is different?
Find the missing number: 4, 9, 16, 25, ?
Find the missing term: 1, 5, 14, 30, ?
Which number comes next: 3, 6, 12, 24, ?
Which pair is different?
Find the missing term: 100, 90, 80, ?
Choose the odd one out.