Number Series · Question 20 · Easy

Find the next number in the series: 100, 95, 85, 70, 50, ?

  1. 25
  2. 35
  3. 20
  4. 30
Answer and explanation

Answer: A. 25

Explanation: The differences are −5, −10, −15, −20, so the next difference is −25: 50 − 25 = 25.

Previous: Find the next number in the series: 2, 5, 10, 17, 26, ? · Next: Find the next number in the series: 4, 6, 9, 14, 21, 32, ?

Practise number series

Try a fresh set of number series questions with an explanation after every answer, free and without signing up: Number Series practice. Or sit a full placement mock test.

More number series questions

More logical reasoning practice

Letter Series · Coding–Decoding · Blood Relations · Direction Sense · Seating Arrangement · Syllogisms · Analogies · Odd One Out

LogicWiz Exams home · All practice topics · Placement mock tests · Daily 10 challenge