exam Maths Puzzle Numerical Ability

An aircraft carrier made a trip to Guam and back. The trip there took three hours and the trip back took four hours. It averaged 6 km/h on the return trip. Find the average speed o

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exam Other Question
The Nys had eight grandchildren in 2002. In 2003, they had 12 grandchildren. Find the percent increase in the number of grandchildren from 2002 to 2003. solve using the quadratics formula

15nSQUARED-3n=4n