Millionaire Mode

Subsets and supersets - class-VIII

Question 1 of 6

The number of subsets of the set $A={ { a } _{ 1 },{ a } _{ 2 },.........{ a } _{ n }} $ which contain even number of elements is

  1. ${ 2 }^{ n-1 }$
  2. ${ 2 }^{ n }-1$
  3. ${ 2 }^{ n }-2$
  4. ${ 2 }^{ n }$

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