In a friendship gang Aravind has 2 gang, in how many ways can he invite one or more of the gang to ...
In a friendship gang Aravind has 2 gang, in how many ways can he invite one or more of the gang to his house?
Answer/Solution
3
Steps/Work
Aravind can select one or more than one of his 8 gang.
=> Required number of ways = 2^2 – 1= 3.
C
=> Required number of ways = 2^2 – 1= 3.
C