The correct answer is: c) Solanki.
The Vaghela dynasty ruled Gujarat after the decline of the Solanki dynasty. The Solanki dynasty was a Rajput dynasty that ruled Gujarat from the 10th to the 13th centuries. The Vaghela dynasty was founded by Mularaja I in the 12th century. The Vaghelas ruled Gujarat until the 13th century, when they were overthrown by the Khilji dynasty.
The Maitraka dynasty was a Buddhist dynasty that ruled Gujarat from the 5th to the 8th centuries. The Chavda dynasty was a Hindu dynasty that ruled Gujarat from the 8th to the 12th centuries. The Gurjara-Pratihara dynasty was a Hindu dynasty that ruled northern India from the 7th to the 11th centuries.
The Maitraka dynasty was founded by Harisena in the 5th century. The Maitrakas ruled Gujarat until the 8th century, when they were overthrown by the Arabs. The Chavda dynasty was founded by Mularaja I in the 8th century. The Chavdas ruled Gujarat until the 12th century, when they were overthrown by the Vaghelas. The Gurjara-Pratihara dynasty was founded by Nagabhata I in the 7th century. The Gurjara-Pratiharas ruled northern India until the 11th century, when they were overthrown by the Ghaznavids.