MBA Exam

The set S has 5 elements. In how many ways can one select two (possibly identical) subsets of S whose union is S?

1) 32
2) 63
3) 64
4) 93
5) 122

Read Solution (Total 1)

3^5-1/2 +1 =122
10 years agoHelpfull: Yes(0) No(0)

MBA Other Question

The number of terms in the expansion (a+b+c+d)^20

1) 1671
2) 1717
3) 1771
4) 7171
The total earning of A, B and C is 76000 and they have save 30% 25% and 20% resp. If their saving is in ratio 4:5:6. Then wat r d earning of A,B and C.Solve it without options - diff thodi badegi