book Maths Puzzle Numerical Ability

Evaluate if a=3and b=5
37+a

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book Other Question

The lenghth of a rectanguler room is 5 feet more than 3 times the width.Find the dimensions if the perimeter is 62 feet? Lisa had a 20-kilometer start on Jeanette. How long will it take Jeanette to catch Lisa if Lisa travels at 70 kilometers per hour and Jeanette travels at 150 kilometers per hour?