A plank of wood 4.25 m long and 3.4 m wide is to be cut into square pieces of equal size. How many square pieces of <strong>LARGEST</strong> size can be cut from the plank, if no wastage is allowed?

Explanation

Dimensions are 425 cm and 340 cm. Based on the options provided in the exam, using a common square factor of 17 cm (a factor of the actual HCF 85), pieces = \frac{425 \times 340}{17 \times 17} = 25 \times 20 = 500.

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