Which number replaces the question mark?
2024
Which number replaces the question mark?
- A.
4
- B.
10
- C.
9
- D.
7
Show answer & explanation
Correct answer: A
In this letter-number circle series, each outer circle is split into a left half and a right half by a vertical line. The sum of the three numbers in each half equals the position of a letter in the alphabet (A = 1, B = 2, ... Z = 26), and that letter is shown in the corresponding half of the central circle.
Left-hand circle, left half: 4 + 3 + 6 = 13, the position of M — matching the letter M shown in the upper-left of the central circle.
Left-hand circle, right half: 2 + 9 + 8 = 19, the position of S — matching the letter S shown in the lower-left of the central circle.
Right-hand circle, left half: 6 + 2 + 1 = 9, the position of I — matching the letter I shown in the upper-right of the central circle.
Right-hand circle, right half must give W, the 23rd letter: 11 + 8 + ? = 23, so ? = 23 − 19 = 4.
Check: the total of all six numbers in the right-hand circle (6 + 11 + 2 + 8 + 1 + 4 = 32) equals the combined position value of I and W (9 + 23 = 32), confirming the missing number is 4.