Millionaire Mode

Means - Arithmetic, Geometric, and Harmonic

Question 1 of 21

The harmonic mean of $\dfrac { a }{ 1-ab } and \dfrac { a }{ 1+ab }$ is:

  1. $a$
  2. $\dfrac { a }{ 1-{ a }^{ 2 }b^{ 2 } }$
  3. $\dfrac { 1 }{ 1-{ a }^{ 2 }b^{ 2 } }$
  4. $\dfrac { a }{ 1+{ a }^{ 2 }b^{ 2 } }$

Prize Money

15₹7 Crores
14₹1 Crore
13₹50,00,000
12₹25,00,000
11₹12,50,000
10₹6,40,000
9₹3,20,000
8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000