Question 33

x, y and z are three positive integers such that x > y > z. Which of the following is closest to the product xyz?

Solution

The expressions in the four options can be expanded as

xyz-yz; xyz-xz; xyz-xy and xyz+xz

The closest value to xyz would be xyz-yz, as yz is the least value among yz, xz and xy.

Option a) is the correct answer.

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