Look at this series: 53, 53, 40, 40, 27, 27, 14 ... What number should come…
2025
Look at this series: 53, 53, 40, 40, 27, 27, 14 ... What number should come next?
- A.
1
- B.
14
- C.
27
- D.
57
Attempted by 210 students.
Show answer & explanation
Correct answer: B
Pattern: each number appears twice, then 13 is subtracted to get the next distinct number.
Step 1: 53 appears twice.
Step 2: Subtract 13 from 53 to get 40, so 40 appears twice (53 - 13 = 40).
Step 3: Subtract 13 from 40 to get 27, so 27 appears twice (40 - 13 = 27).
Step 4: Subtract 13 from 27 to get 14, so the next number is 14 (27 - 13 = 14).
Answer: 14