Multiple choice

Directions: Find the missing value in the following number series. 25 75 125 (?) 225

  1. 150

  2. 160

  3. 200

  4. 175

  5. 180
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D Correct answer
Explanation

The series is 25, 75, 125, ?, 225. The difference between consecutive terms is 50. 25+50=75, 75+50=125, 125+50=175, 175+50=225.

AI explanation

The series increases by a constant difference of 50. Adding 50 to 125 gives the missing number, which is 175. You can verify this because 175 + 50 = 225, matching the next term in the sequence.

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