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If x ,y ,a n dz are distinct prime numbe...

If `x ,y ,a n dz` are distinct prime numbers, then (a).`x , y , a n dz` may be in A.P. but not in G.P. (b)`x , y , a n dz` may be in G.P. but not in A.P. (c).`x , y , a n dz` can neither be in A.P. nor in G.P. (d).none of these

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