Question

31=42 the value of 1 is

please answer this question please fast ​

Answer 1

Answer:

2n+1= total coins

there can be two cases

Case I - choosing biased coin

P(B)=

2n+1

n

Case II = choosing unbiased coin

P(UB)=

2n+1

n+1

P(Head)=

2n+1

n

×1+

2n+1

n+1

×

2

1

=

2(2n+1)

2n+(n+1)

=

2(2n+1)

3n+1

⇒

2n+1

3n+1

=

42

62

⇒(3n+1)42=(2n+1)62

126n+42=124n+62

2n=62−42

2n=20

⇒n=10

Answer 2

Answer:

oh this is a funny question...

3 x 1= 42

1=42/3

1=14

☻