Discussion Forum
Que.  Let X, Y, Z be sets of sizes x, y and z respectively. Let W = X x Y. Let E be the set of all subsets of W. The number of functions from Z to E is: 
a.  z^2^xy 
b.  z x 2^xy 
c.  z^2^(x + y) 
d.  2^xyz 
Answer:2^xyz

Que.  Let X, Y, Z be sets of sizes x, y and z respectively. Let W = X x Y. Let E be the set of all subsets of W. The number of functions from Z to E is: 
a.  z^2^xy 
b.  z x 2^xy 
c.  z^2^(x + y) 
d.  2^xyz 
Answer:2^xyz

Questions from Previous year GATE question papers
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Practice test for UGC NET Computer Science Paper. The questions asked in this NET practice paper are from various previous year papers.