Which letter is midway between the 21 letter from the right and the 16 letter from the left in the English alphabet ?

J
K
L
O

The correct answer is (c) L.

The English alphabet has 26 letters. The 21st letter from the right is V and the 16th letter from the left is M. The letter midway between V and M is L.

Option (a) J is incorrect because it is the 10th letter from the left.

Option (b) K is incorrect because it is the 11th letter from the right.

Option (d) O is incorrect because it is the 15th letter from the left.