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The ratio of the HCF to the LCM of $7, 21$ and $28$ is :
- (a)1:4
- (b)3:4
- (c)1:8
- (d)1:12
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(D) 1 : 12
The ratio of the HCF to the LCM of 7, 21 and 28 is :
CBSE Class 10 Maths PYQ · Real Numbers · Find lcm & hcf · 1 Mark · July 2025 · Standard
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