What comes next: 4, 7, 13, 25, ___?
Correct answer: C. 49
Each term is double the previous term minus 1: 4 × 2 − 1 = 7, 7 × 2 − 1 = 13, 13 × 2 − 1 = 25, so the next is 25 × 2 − 1 = 49. The differences 3, 6, 12 also double.
medium
Answer and explanation
The correct answer is C. 49
Each term is double the previous term minus 1: 4 × 2 − 1 = 7, 7 × 2 − 1 = 13, 13 × 2 − 1 = 25, so the next is 25 × 2 − 1 = 49. The differences 3, 6, 12 also double.
Topic: Mixed Numerical Review MCQs · Subject: Numerical Ability