Himanshu sold his property at the best price. This removed the land dispute stress and helped him earn money. He killed two birds with a single stone.

 What is the meaning of the idiom ‘kill two birds with a single stone'?

“kill two birds with a single stone” itself shows that it is very difficult to kill two birds with a single shot . Himanshu sold his land which was in dispute. Because of this, he was free from disputes and at the same time he got more money. So we can use the idiom “kill two birds with a single stone.” So option 3 is the right one.