Which river, originating from the Yamunotri Glacier in Uttarakhand, flows past Delhi and Agra before joining the Ganges at the Triveni Sangam in Prayagraj?

• A Godavari
• B Krishna
• C Narmada
• D Yamuna ✓

The Yamuna, the longest tributary of the Ganges at 1,376 kilometres, passes through several major cities including the national capital Delhi before merging at Prayagraj.