Question

What should come in the place of question mark (?) in the following alpha-numeric series?
D-23, E-22, F-21, G-20, H-19,?

पर्याय

• I - 18

• I - 9

• I - 20

• I - 15

Answer 1

I - 18
Explanation:
The letters in the given series are in a continuous sequence of forwarding order English alphabet with each letter showing its backward order position in the alphabet.
∴ ? = I -18