[" 1.If "A={1,2,3,4,5}" ,then the number of "],[" subsets of "A" is "*],[" 0"a)120],[" b) "30],[" ( "c)" 31"],[" (0) "32]

If A={0,1,2,3,4} , then the number of proper subsets of A is

A={1,2,3,4,5,6,7},B={3,4,5}, then the number of subsets C of A such that B-C=phi, is

If X= {1,2,3,....,10} and A={1,2,3,4,5} . Then, the number of subsets B of X such that A-B ={4} is a) 2^5 b) 2^4 c) 2^(5) -1 d)1

Let S={0,1,5,4,7} , number of subsets of S is 32QQ , then find the value of QQ.

A={a e i 0 u} . Number of subsets of set A is ............... {5 20 32 120}

In A B C , if the orthocentre is (1,2) and the circumcenter is (0, 0), then centroid of A B C) is (a) (1/2,2/3) (b) (1/3,2/3) (c) (2/3,1) (d) none of these

In A B C , if the orthocentre is (1,2) and the circumcenter is (0, 0), then centroid of A B C) is (a) (1/2,2/3) (b) (1/3,2/3) (c) (2/3,1) (d) none of these

If log2=0.30103, the number of digit in 4^(50) is a.30b.31c.100d.200

In A B C , if the orthocentre is (0,0) and the circumcenter is (1,2), then centroid of A B C) is (a) (1/2,2/3) (b) (1/3,2/3) (c) (2/3,1) (d) none of these

If A=[[1,-1],[3,0]], A-B=[[3,1],[1,4]] then find B