The number of surjections that can be defined from A={1,2,3,.......n} to B={a,b} is 30 then the value of n is
A)4 B)5 C)6 D)7

Similar Questions

Explore conceptually related problems

If n ge 2 then the number of surjections that can be defined from {1, 2, 3, ….n} to {1, 2} is

The number of one one functions that can be defined from A={a,b,c} into B=(1,2,3,4,5) is

The number of one one onto functions that can be defined from A={a,b,c,d} into B={1,2,3,4} is

The number of onto functions that canbe defined from A={a,b,c,d,e} to {1,2} is 1)30 2) 6 67.3 )604 ) 32

The number of one one onto functions that can be defined from A={a,b,c,d ) into B={1,2,3,~ 4}~

The number of Surjections from A = {1, 2, ....4}, n ge 2 , onto B = {a, b} is

4) 5! 65. The number of one one functions that can be defined from A= {a, b? into B={1, 2, 3, 4, 5} iS 1) 5Ps 2) 5C3 3) 53 4)35