exam Maths Puzzle Numerical Ability

2. In how many ways can you arrange six out of eight books on a shelf? (1 point)

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exam Other Question

Using 4s, no other numbers, and as many mathematical operations as you like, create mathematical expressions that equal integers from 1 on. How high can you go? Multiply the fraction

2^2 - x - 3
Divided by
3x^2 + 7x + 4

Minus

3x^2 - 11x - 20
Divided by
4x^2 -9