Practice30 Create account

Locate the term that does not fit: 2, 6, 21, 90, 445, 2676

Competition practiceNumber Series

A90
B445
C6
D21

Step-by-Step Solution

The rule is

\times 2 + 2, \times 3 + 3, \times 4 + 4, \times 5 + 5, \times 6 + 6

;

21 \times 4 + 4 = 88

, not 90, so 90 is wrong.

Answer: A) 90

Master this topic in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Number Series practice questions

More Number Series practice

Find the missing term: 4, 9, 25, 49, ?, 169 Which number does not fit the series 6, 12, 21, 33, 49, 66?Pick out the term that breaks the pattern: 1, 3, 9, 31, 128, 651 Spot the next value: 0, 6, 24, 60, 120, ?One number does not fit the pattern 2, 3, 5, 8, 13, 20, 34. Which one is it?