Q. Consider the following statement : 1. If $m$th term of HP is $n$ and the $n$the term is $m,$ then the ($mn)$th term is 1. 2. If $a,\ b,\ c\$ are in AP and $a,\ 2b,\ c$ are in GP, then $a,\ 4b,c$ are in HP. 3. If any odd number of quantities are in AP, then first middle and last are in AP Which of the statement give above is/are correct?

A) Only (1)
B) Only (2)
C) Only (3)
D) All of these
Explanation

The correct answer is Option D: All of these.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.