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प्रश्न
If possible, find a hook-up of prime base number machine that will do the same work as the given stretching machine. Do not use (× 1) machines.
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उत्तर
Single machine work = 100
Hook-up machine of prime base number that do the same work down by × 100
= 22 × 52
= 4 × 25
= 100
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