Almost 40% of the world's oil supply passes through which strait ?

Almost 40% of the world's oil supply passes through which strait ?

دنیا کی تیل کی سپلائی کا تقریباً 40% کس آبنائے سے گزرتا ہے؟
Explanation

Almost 40% of the world's oil supply passes through the Strait of Hormuz. 

  The Strait of Hormuz is 55 to 95 Km wide Strait.

It is located between the Persian Gulf and Oman Gulf.