किस नदी को 'बिहार का शोक' कहा जाता है, जो मैदानों में भारी तलछट जमाव के कारण अक्सर अपना मार्ग बदलती है?

Consider the following statements regarding the Yamuna River: I. The Yamuna River originates from the Yamunotri Glacier near Bandarpunch peaks and is the largest tributary of the Ganga. II. The river flows through Uttarakhand, Himachal Pradesh, Haryana, Delhi, and Uttar Pradesh. III. The Yamuna meets the Ganga at the Triveni Sangam in Prayagraj. How many of the above statements are correct?

Which of the following rivers is a trans-Himalayan river originating from the Rakshastal lake near Mansarovar?