Question : The least number which is exactly divisible by 4, 5, 8, 10 and 12 is:
Option 1: 150
Option 2: 120
Option 3: 180
Option 4: 240
Answer (1)
25th Jan, 2024
Correct Answer: 120
Solution :
Factors of 4 = 2 × 2
Factors of 5 = 5 × 1
Factors of 8 = 2 × 2 × 2
Factors of 10 = 2 × 5
Factors of 12 = 2 × 2 × 3
Least common multiple (LCM) of 4, 5, 8, 10, and 12 = 2 × 2 × 2 × 3 × 5 = 120
Hence, the correct answer is 120.
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