Explanation:

- Article 21A: Ensures the right to free and compulsory education for children aged 6 to 14 years.

- Article 51A (i): Concerns the duty to safeguard public property and to abjure violence.

- Article 51A (k): Relates to the duty of every parent or guardian to provide opportunities for education to their child or ward aged 6 to 14 years. This is similar to Article 21A as both deal with education.

- Article 51A (h): Promotes the duty to develop scientific temper, humanism, and the spirit of inquiry and reform.

- Article 51A (j): Involves the duty to strive towards excellence in all spheres of individual and collective activity.