Q. 4, 7, 25, 10, __, 20, 16, 19. What number should fill the blank?
✅ Correct Answer: (A)
13
Explanation: Two series alternate here, with every third number following a different pattern. In the main series, 3 is added to each number to arrive at the next. In the alternating series, 5 is subtracted from each number to arrive at the next.
Explanation by: Rakesh Kumar
Two series alternate here, with every third number following a different pattern. In the main series, 3 is added to each number to arrive at the next. In the alternating series, 5 is subtracted from each number to arrive at the next.