Progression Doubts
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a, b, c and d are in A.P., What can we say about terms bcd, acd, abd and abc?
- They are also in A.P.
- They are also in H.P.
- They are also in G.P.
- They are not in an A.P., G.P. or H.P.
Posted : 13/03/2021 8:20 pm
Posted : 21/03/2021 6:25 pm
