A team needs to track project metrics in the dashboards available in Azure DevOps. 
You need to recommend the right chart widgets to use for each of the following requirements. Ability to provide the elapsed time from the creation of work items to their completion
Ability to provide the elapsed time to complete work items once they are marked as active
Ability to provide the view on the work remaining
Which of the following chart widget would you use for the following requirement? 
“Ability to provide the elapsed time from the creation of work items to their completion.”

Answer options:

A.Burndown
B.Cycle Time
C.Lead Time
D.Velocity

Answer – C 
You can use the Lead time chart for this. The Microsoft documentation mentions the following. 

Since this is clearly mentioned in the Microsoft documentation, all other options are incorrect. 
For more information on the widgets, please visit the below URL- 

https://docs.microsoft.com/en-us/azure/devops/report/dashboards/analytics-widgets?view=azure-devops