All the information has been copied from the emails sent to the participants.

ZCO 2023

The tentative cut-off for qualification for ZCO 2023 is as follows:

Male students:

Class 12: Everyone with a total score of >= 27/200 will qualify for INOI
Class 11: >= 22/200
Class 10: >= 20/200
Class 9: >= 17/200
Class 8: >= 16/200
Class 7 and below: >= 16/200

Female students:

Class 12: Everyone with a total score of >= 21/200 will qualify for INOI
Class 11: >= 16/200
Class 10: >= 13/200
Class 9: >= 12/200
Class 8: >= 11/200
Class 7 and below: >= 11/200

ZCO 2024

Here are the proposed cutoffs to qualify through ZCO-2024 for INOI-2024 on Sunday, 21 April, 2024.

Male 12th : 55/200
Male 11th : 51/200
Male 10th : 50/200
Male 9th : 46/200
Male 8th : 41/200
Male 7th and below : 41/200

Female 12th : 35/200
Female 11th : 35/200
Female 10th : 35/200
Female 9th : 28/200
Female 8th : 28/200
Female 7th and below : 28/200

ZCO 2025

Here are the cutoff scores to qualify through ZCO-2025 for INOI-2025.

Class 12: 28/200 (Male), 9/200 (Female)
Class 11: 25/200 (Male), 9/200 (Female)
Class 10: 25/200 (Male), 9/200 (Female)
Class 9 : 16/200 (Male), 9/200 (Female)
Class 8 : 12/200 (Male), 9/200 (Female)
Class 7 and Below : 10/200 (Male), 9/200 (Female)