no..he is a Hindu god
Both Hindus and Buddhists believe in:reincarnationNirvanaan immortal presence for each person
In a Supreme Creator.
The soul can be reincarnated.
In ancient times, no. Buddhists rejected the Caste System, which is why many Hindus converted to Buddhism.
Hindu people has their gods and goddesses while the Buddhists has their god Buddha , Buddhists believe more on what Buddha taught when he is still alive.. Hindu worships many gods and goddesses..
Buddhists do not worship the Ganges, or any other thing or deity. Hindus believe that the Ganges is holy, but since I am not a Hindu I can not tell you why.
Yes, it is possible cause Buddha himself was a Hindu. No, not typically. these are two separate and distinct religions. As to the Buddha previously being a Hindu, Hinduism today is much different than in the Buddha's time. Scholars are uncertain, but most likely he was a follower of Brahmanism, not a Hindu.
Reincarnation
Constitutionally Nepal is a secular state but 80% are Hindu's, 10% are Buddhists. However most Nepalese practice both religions.
Hindu has a caste system that is super strict with social class
Hinduism came first. Buddhism was started by Siddhartha Gautama, who took parts of Hinduism and incorporated them into his ideas, as he was born into a Hindu family. These shared beliefs include reincarnation and karma, nonviolence and compassion. Buddhists believe want is the root of suffering (as stated in the Four Noble Truths) and must be eliminated, and similar thoughts are voiced in the Hindu Upanishads and Bhagavadgita. Both groups meditate and concentrate on their actions in this world, and originated in India.