[" The value of "(2+3)(2+3)" is equal to "],[" A "12+3]^(2)],[" B) "12-3" ) "],[" 0) "2^(2)+3],[" D) none of these "]

1/((2 1/3))+1/((1 3/4)) is equal to (a) 7/(14) (b) (12)/(49) (c) 4 1/(12) (d) None of these

The value of 3/(25) is 1.2 (b) 0.12 (c) 0.012 (d) None of these

((-3)/2)^(-1) is equal to 2/3 (b) 2/3 (c) 3/2 (d) none of these

The value of 3/(25) is (a)1.2 (b) 0.12 (c) 0.012 (d) None of these

If for a square matrix A,A^2=A then |A| is equal to (A) -3 or 3 (B) -2 or 2 (C) 0 or 1 (D) none of these

If for a square matrix A,A^2=A then |A| is equal to (A) -3 or 3 (B) -2 or 2 (C) 0 or 1 (D) none of these

((-3)/2)^(-1) is equal to (a) 2/3 (b) 2/3 (c) 3/2 (d) none of these

The value of sec^2 12^@-frac(1)(tan^2 78^@ is (A) 0 (B) 1 (C) 2 (D) 3

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 (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