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## Question

### Solution

Correct option is

A.P.

So a1, a2, a3,... are in A.P

#### SIMILAR QUESTIONS

Q1

Suppose a, b, c are in A.P. Let A, G bet the arithmetic mean and geometric mean between a and b, A’ , G’ bet the arithmetic mean and geometric mean between b and c, then

Q2

In a sequence of 21 terms the first 11 terms are in A.P. with common difference 2 and the last 11 terms are in G.P. with common ratio 2. If the middle terms of the A.P. is equal to the middle term of the G.P., then the middle term of the entire sequence is

Q3
Q5
Q6

If the pth term of an A.P. is 1/q and qth term is 1/p and sum of pq terms is 25pq, then p and q are connected by

Q7

If tr denotes the rth term of an A.P., and tp = 1/q, tq = 1/p, then which of the following is a root of the equation

Q8