`(2^3)^4` = `2^4^3` (b) `2^3^4` `(2^4)^3` (d) none of these

(2^3)^4 = (a) 2^4*3 (b) 2^3*4 (c) (2^4)^3 (d) none of these

Reciprocal of (-3)/4 is (a) 3/4 (b) 4/3 (c) (-4)/3 (d) None of these

Reciprocal of (-3)/4 is (a) 3/4 (b) 4/3 (c) (-4)/3 (d) None of these

Let A=[1 2 3-5] and B=[1 0 0 2] and X be a matrix such that A=B X , then X is equal to 1/2[2 4 3-5] (b) 1/2[-2 4 3 5] (c) [2 4 3-5] (d) none of these

5(2)/(3)-:?(5)/(6)=2(a)2(b)3(c)4(d) None of these

If (a)/(2)=(b)/(3)=(c)/(4), then a:b:c=2:3:4(b)4:3:23:2:4(d) None of these

Let A be a 3x3 matrix such that |A|=-2, then det(-2A^(-1))=-4 (b) 4(c)8(d) none of these

A fraction equivalent to (30)/(45) is 3/4 (b) 3/2 (d) 2/3 (d) None of these

A fraction equivalent to (30)/(45) is (a) 3/4 (b) 3/2 (d) 2/3 (d) None of these

If a : b=3:4, then 4a :3b= (a) 4:3 (b) 3:4 (c) 1:1 (d) None of these