Question : Find the greatest number that will divide 390, 495, and 300 without leaving a remainder.
Option 1: 5
Option 2: 15
Option 3: 25
Option 4: 35
Correct Answer: 15
Solution :
HCF of the given numbers:
390 = (2 × 3 × 5 × 13)
495 = (3× 3 × 5 × 11)
300 = (2 × 2 × 3 × 5 × 5)
Now HCF = (3 × 5) = 15
So, 15 is the number that can divide 390, 495, and 300 without leaving a remainder.
Hence, the correct answer is 15.
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