Practice30Create account

Pick out the odd term in 5, 15, 45, 136, 405, 1215.

Competition practiceNumber Series
  • A136
  • B45
  • C405
  • D1215

Step-by-Step Solution

Each term is 3 times the previous: 5, 15, 45, 135, 405, 1215. The term 136 should be 135.
Answer: A) 136

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

Spot the term that does not fit: 3, 4, 10, 34, 136, 685In 3, 4, 7, 11, 18, 28, 47 each term should be the sum of the two before it. Which term…The series 5, 10, 20, 40, 79, 160 has one wrong term. Identify it.Which term breaks the pattern in 6, 13, 27, 55, 111, 225, 447?Which term continues the series 3, 7, 13, 21, 31, ?