The greatest possible length which can be used to measure exactly the length 7m, 3m 85cm, 12 m 95 cm is
A) 15 cm B) 25 cm C) 35 cm D) 42 cm
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the greatest possible length which can be used to measure exactly the length is 15m
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7m = 700cm
3m 85 cm = 385 cm
12 m 95 cm = 1295 cm
HCF of 700,385 and 1295 is 35.
So to measure exactly, the greatest length we can use is 35cm.
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