Question

If the two digit number the digit vat the unit place is equal to the square of the digit at the tens place . If 18 is added to the number the digit get interchange find the number

Answer 1

Answer:

Given that,

P(

A

ˉ

)

P(A)

=

11

5

We know that,

P(

A

ˉ

)=1−P(A)

Now,

1−P(A)

P(A)

=

11

5

⇒11P(A)=5−5P(A)

⇒16P(A)=5

⇒P(A)=

16

5

and P(

A

ˉ

)=1−P(A)=1−

16

5

=

16

11