Mixed analytical reasoning with multiple sub-types.
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Q1 · Problem Solving · MEDIUM
A boat can travel 36 km downstream in 2 hours and 24 km upstream in 3 hours. What is the speed of the boat in still water?
Q2 · Problem Solving · MEDIUM
The sum of three consecutive odd numbers is 147. What is the largest number?
Q3 · Problem Solving · HARD
A cistern has two taps which can fill it in 12 minutes and 15 minutes respectively. There is also a waste pipe at the bottom. When all three are opened, the cistern fills in 20 minutes. In how much time can the waste pipe empty the full cistern?
Q4 · Problem Solving · EASY
A man can complete a work in 12 days. A woman can complete the same work in 18 days. How many days will they take to complete the work together?