Multiple choice Directions: Complete the series. D : B : : X : ? K M N L O Reveal answer Fill a bubble to check yourself D Correct answer Explanation D is represented by B. The place value of D is 4, which is halved and the result is 2, the place value of B. Similarly, X = 24. Dividing it by 2, we get 12. It is the place value of L. So, this is the correct answer.