exam
Maths Puzzle
Numerical Ability
In the number 7^1000, what is the digit in the units place?
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exam Other Question
Solve the equations for x.
25x squared = 13
2(x-5)squared = 3
in selecting a piece of angle iron for a certain applicatioin, you know that you must have no more cross-sectional area than 60 squared cm , else the angle iron will weigh too much