If r, s, t are prime numbers and p, q are the positive integers such t – McqOptions

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1.	If r, s, t are prime numbers and p, q are the positive integers such that the LCM of p, q is r2t4s2,then the number of ordered pair (p, q) is?
A.	252
B.	254
C.	225
D.	224
Answer» D. 224

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