Question : What will be the HCF of the following set of numbers: 30, 45, and 150?
Option 1: 16
Option 2: 15
Option 3: 30
Option 4: 20
Correct Answer: 15
Solution :
30 = 2 × 3 × 5
45 = 3 × 3 × 5
150 = 2 × 3 × 5 × 5
So, HCF of 30, 45 and 150 = 3 × 5 = 15
Hence, the correct answer is 15.
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