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Question : What is the Least Common Multiple of lengths 80 cm, 90 cm, and 112 cm?

Option 1: 4250 cm

Option 2: 5040 cm

Option 3: 5680 cm

Option 4: 4840 cm


Team Careers360 8th Jan, 2024
Answer (1)
Team Careers360 24th Jan, 2024

Correct Answer: 5040 cm


Solution : 80 = 2 × 2 × 2 × 2 × 5
90 = 2 × 3 × 3 × 5
112 = 2 × 2 × 2 × 2 × 7
LCM = 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 = 5040
Hence, the correct answer is 5040 cm.

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