The correct answer is: A. 87 km.
The Jhelum is a river in India and Pakistan. It is the main waterway of the valley of Kashmir. The river originates in the Pir Panjal Range in the Indian state of Jammu and Kashmir. It flows through the Kashmir Valley and then enters Pakistan, where it joins the Chenab River to form the Indus River. The Jhelum is a major source of irrigation and drinking water for the people of Kashmir. It is also a popular tourist destination.
The Jhelum is 87 kilometers long in the valley of Kashmir. It starts from the Baramulla district and flows through the Srinagar district before entering Pakistan. The river is a major source of irrigation and drinking water for the people of Kashmir. It is also a popular tourist destination.
Option B is incorrect because the Jhelum is 87 kilometers long in the valley of Kashmir, not 177 kilometers.
Option C is incorrect because the Jhelum is 87 kilometers long in the valley of Kashmir, not 300 kilometers.
Option D is incorrect because the Jhelum is 87 kilometers long in the valley of Kashmir, not 500 kilometers.