Which one of the following tree is a good source of gum?

At which altitude salar trees are found in the Aravalli hills? 

Under whose leadership was the excavation work of Ahar accomplished? 

Who is the author of Hammir Raso ?

In the memory of which folk God is the Tilwara cattle fair organised ? 

Who was the first Governor of Rajasthan?

The place where Kalibai became a martyr was – 

The ruler of which state was made the Rajpramukh of Rajasthan Union?