Arithmetic progression

For the following two (02) items:

Let (6 + 10 + 14 +... up to m terms) = (1 + 3 + 5 + 7 +... up to n terms) where m < 25 and n < 25.

What is the relation between m and n?

How many terms are identical in the two APS 19, 21, 23,... up to 110 terms and 19, 22, 25, 28,... up to 75 terms?

How many terms of the series 1 + 3 + 5 + 7 +... amount to a sum equal to 12345678987654321?

If p, 1 and q are in AP and p and 2 q are in GP, then which of the following statements is/are correct? I. p, 4, q are in HP.

 II. 1p, 1/4 ,1/q  are in AP.

 Select the answer using the code given below: