exam Maths Puzzle Numerical Ability

Are 1/10 and 5/60 equivanlent fractions?

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exam Other Question

I hope someone can help me solve this problem:

I need to perform the indicated operation:
11-6/7-7

Thanks,
Ashley How many ways can 9 students (5 girls and 4 boys) be seated in a row if they must be seated in alphabetical order?