exam Maths Puzzle Numerical Ability

you are taking a true-false test.you answer all 10 questions.how many different ways can you complete the test.

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exam Other Question

OK. I am given a parallelogram on a graph with no points and I am asked to find the perimeter of this parallelogram. How do I find the perimeter of this graphed parallelogram? please help me solve 3/x-1/4=1/x