Question : Find the least number which is exactly divisible by 20, 28, 34, 60 and 75.
Option 1: 36220
Option 2: 35900
Option 3: 34500
Option 4: 35700
Answer (1)
15th Jan, 2024
Correct Answer: 35700
Solution :
20 = 2 × 2 × 5
28 = 2 × 2 × 7
34 = 2 × 17
60 = 2 × 2 × 3 × 5
75 = 3 × 5 × 5
LCM of 20, 28, 34, 60 and 75 = 2 × 2 × 3 × 5 × 5 × 7 × 17 = 35700
Hence, the correct answer is 35700.
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