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
Answer (1)
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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