exam Maths Puzzle Numerical Ability

Could some-one help with these questions thanks Tine!
4) CLASSIC PROBLEM - A traveling salesman (selling shoes) stops at a farm in the Midwest. Before he could knock on the door,

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exam Other Question
What is the measure of the angle of rotation with respect to two lines that intersect to form a 25° angle?
The choices:
1) 12.5 degrees
2) 25 degrees
3) 50 degrees
4) 100 degr 78 is 15% of what number?