Practice30Create account

Find the missing number in the series: 5, 10, 20, 40, ?, 160

Competition practiceAlphanumeric / Series
  • A100
  • B80
  • C60
  • D120

Step-by-Step Solution

Each term is double the previous one. After 40 comes , and confirms it.
Answer: B) 80

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 Alphanumeric / Series practice questions

More Alphanumeric / Series practice

Y2, W4, U6, S8, ? — which term comes next?Consider the series: 5 P 3 Q R 7 A B 2 9 C K 4 D 6. How many numbers in this series are…Consider the series: M 4 K 9 P 2 R T 6 B 3 W 7 Z 1. Which element is fifth to the right…Consider the series: B 3 D 7 F 2 H K 9 M 4 N 8 P 1. Which element is sixth from the…Which term continues the series: Z1A, Y2B, X3C, W4D, ?