Question
If 14 is the HCF of 4p and 21q, then minimum value of p and q are:
Answer: Option A
:
A
Since 14 is HCF of 4p and 21q, thenboth of them should have 7 and 2 as prime factors.
4p = 2 x 2x p
21q = 3 x 7 x q
Since 14 is the HCF, p should be 7 and q should be 2.
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:
A
Since 14 is HCF of 4p and 21q, thenboth of them should have 7 and 2 as prime factors.
4p = 2 x 2x p
21q = 3 x 7 x q
Since 14 is the HCF, p should be 7 and q should be 2.
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