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a, b, c are in A.P, b, c, d are in G.P a...

`a, b, c` are in A.P, `b, c, d` are in G.P and `c, d, e` are in H.P, then `a, c, e` are in

A

a.A.P

B

b.`G . P`

C

c.`H . P`

D

d.none of these

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B
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