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Practice problems
All topics 304
Algorithm 69
Basics 84
Error-handling 18
Extensibility 24
Filtering 27
Integrations 37
Performance 20
Transactions 25
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TITLE
DIFFICULTY
PASS RATE
TOPIC
ATTEMPTS
#5000
Delete the Header, Leave No Orphans
Pro
Easy
100%
Basics
20
#0001
Hello, World!
Easy
94%
Basics
594
#5001
Invoice Two Shipments at Once
Pro
Easy
100%
Basics
23
#0002
Add a Custom Field to Customer
Easy
98%
Basics
198
#5002
Give Every Batch Its Own Buffer
Pro
Easy
100%
Basics
26
#0003
Print the Eight-Line Address Block
Easy
96%
Basics
69
#5003
Credit Memo from a Posted Invoice
Pro
Medium
100%
Basics
13
#0004
Block Negative Credit Limits
Easy
100%
Basics
68
#5004
Build a Media Gallery
Pro
Medium
100%
Basics
14
#0005
Classify Your Fields
Easy
75%
Basics
46
#5005
Number Plumbing, the Official Way
Pro
Medium
100%
Basics
3
#0006
Deep Copy Nested Collections
Easy
83%
Basics
31
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