Sequences & Series · NDA previous year questions

2020 1 question

1. Q422020 · 6 Sept 2020

   If $p^2$, $q^2$ and $r^2$ (where $p,q,r>0$) are in GP, then which of the following is/are correct? 1. $p,q$ and $r$ are in GP. 2. $\ln p$, $\ln q$ and $\ln r$ are in AP. Select the correct answer using the code given below:

   1. A.1 only
   2. B.2 only
   3. C.Both 1 and 2
   4. D.Neither 1 nor 2
   Show answer

   Answer: C