Question

Three measurement rodes 64cm, 80cm, and 96cm are long respectively. By using any rodes, which least length of cloth can be fully measured ? (a) 0.96 m (b) 19.20 m (c) 9.60 m (d) 96 m
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Answer 1

Answer:

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Step-by-step explanation:

option b 19.20m

Answer 2

Answer:

Length of three measuring rod are 64 cm ,80 cm and 96cm.

length of cloth that can be measure an exact number of times is the LCM of 64,80 and 96.

Find the LCM of 64,80 and 96.

64=2×2×2×2×2×2=26

80=2×2×2×2×5=24×5

96=2×2×2×2×2×3=25×3

LCM(64,80 and 96)=26×5×3=64×15=960cm=9.6m