exam
Maths Puzzle
Numerical Ability
In the design of a bridge, an engineer determines that four fewer 18-m girders are needed for the span length than 15-m girders. How many 18-m girders are needed?
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exam Other Question
Place the following set of numbers in ascending order.
-2/5,1/6, 7/8, 5/9, 3/4
How do I find the final answer
4.10*10-4 = 2x/(.15-x)(.30-x)