exam Maths Puzzle Numerical Ability

An emoplyer has a daily payroll of $1225 when employing some workers at $80 per day and others at $85 per day. When the number of $80 workers is increased by 50% and the number of

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exam Other Question
1. 2 km to feet?

2. 375 yards to meters?

3. 25,00 mm to meter?

4. 85 revolutions over 2 hours to rev over sec

5. 12 kms. to yards? jOHN and David are running the 1-mile race. David enters the final quarter first and is running at a rate of 18ft./sec. John enters the final quarter 3 seconds later but is running at a rate of 20 ft.sec. Who will win the race?
5280ft.= 1 mile