book Maths Puzzle Numerical Ability

A pickup truckis driven 280 miles. If it had traveled 5 mph faster, it could have made the trip in 1 hour less time. What was the speed of the truck?

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book Other Question

Clear the Fraction first,if neccesary

7/2x+1/2x=3x+3/2+5/2x a single die is rolled twice. what is the probablity of getting a 3 on the first roll and a number greater than 4 on the second roll?